Grafiken in der Bibliothek DoEasy (Teil 85): Grafische Objektkollektion - Hinzufügen neu erstellter Objekte

MetaTrader 5 — Beispiele | 1 November 2021, 09:37

568

Artyom Trishkin

Inhalt

Konzept

Wir haben bereits einige Objektklassen, die von der abstrakten grafischen Objektklasse abgeleitet sind. Im vorigen Artikel habe ich solche Objekte aus den Gruppen Linien, Kanäle, Gann, Fibo und Elliott implementiert. Hier werde ich Objektklassen der Gruppen Umriss (Shapes), Pfeile und Grafikobjekte hinzufügen. Darüber hinaus wird die Klasse der grafischen Objekte der Kollektion die Möglichkeit bieten, manuell erstellte grafische Objekte in die Kollektion aufzunehmen.

Verbesserung der Klassenbibliothek

Zuallererst wurde ich auf einen ärgerlichen Fehler aufmerksam gemacht, den ich im englischen Wort "Standard" gemacht habe. Ich habe es mit "t" als Endbuchstaben geschrieben. Daher habe ich alle Dateien mit der fehlerhaften Schreibweise korrigiert. Entsprechend habe ich die entsprechenden Bibliotheksordner umbenannt. Es ergibt keinen Sinn, hier alle entsprechenden Dateien aufzulisten. Sie können sie finden, indem Sie Shift+Strg+F drücken und das entsprechende Wort, den Bibliotheksordner und die Suche in Unterordnern auswählen:

Es ist nicht notwendig, die Groß- und Kleinschreibung zu beachten und nach dem ganzen Wort zu suchen. Wir suchen einfach nach dem Vorkommen von "standart" in den Texten der Bibliotheksdateien und ändern den letzten Buchstaben.

Ich habe dies bereits getan, so dass Sie nur noch den DoEasy-Ordner im Include-Verzeichnis des Terminals durch den unten angehängten Ordner ersetzen müssen.

Betrachten wir \MQL5\Include\DoEasy\Defines.mqh als Beispiel. Ich habe den Rechtschreibfehler korrigiert und den Namen der Konstante für die Aufzählung der Integer-Eigenschaften des grafischen Objekts korrigiert:

//+------------------------------------------------------------------+
//| Data for working with indicators                                 |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Abstract indicator status                                        |
//+------------------------------------------------------------------+
enum ENUM_INDICATOR_STATUS
  {
   INDICATOR_STATUS_STANDARD,                               // Standard indicator
   INDICATOR_STATUS_CUSTOM,                                 // Custom indicator
  };
//+------------------------------------------------------------------+
//| Indicator group                                                  |
//+------------------------------------------------------------------+

...

//+------------------------------------------------------------------+
//| List of graphical objects affiliations                           |
//+------------------------------------------------------------------+
enum ENUM_GRAPH_OBJ_BELONG
  {
   GRAPH_OBJ_BELONG_PROGRAM,                          // Graphical object belongs to a program
   GRAPH_OBJ_BELONG_NO_PROGRAM,                       // Graphical object does not belong to a program
  };
//+------------------------------------------------------------------+
//| The list of graphical element types                              |
//+------------------------------------------------------------------+
enum ENUM_GRAPH_ELEMENT_TYPE
  {
   GRAPH_ELEMENT_TYPE_STANDARD,                       // Standard graphical object
   GRAPH_ELEMENT_TYPE_ELEMENT,                        // Element
   GRAPH_ELEMENT_TYPE_SHADOW_OBJ,                     // Shadow object
   GRAPH_ELEMENT_TYPE_FORM,                           // Form
   GRAPH_ELEMENT_TYPE_WINDOW,                         // Window
  };
//+------------------------------------------------------------------+
//| Graphical object group                                           |
//+------------------------------------------------------------------+

...

//--- Properties belonging to different graphical objects
   GRAPH_OBJ_PROP_TIME,                               // Time coordinate
   GRAPH_OBJ_PROP_COLOR,                              // Color
   GRAPH_OBJ_PROP_STYLE,                              // Style
   GRAPH_OBJ_PROP_WIDTH,                              // Line width
   GRAPH_OBJ_PROP_FILL,                               // Object color filling
   GRAPH_OBJ_PROP_READONLY,                           // Ability to edit text in the Edit object
   GRAPH_OBJ_PROP_LEVELS,                             // Number of levels
   GRAPH_OBJ_PROP_LEVELCOLOR,                         // Level line color
   GRAPH_OBJ_PROP_LEVELSTYLE,                         // Level line style
   GRAPH_OBJ_PROP_LEVELWIDTH,                         // Level line width
   GRAPH_OBJ_PROP_ALIGN,                              // Horizontal text alignment in the Edit object (OBJ_EDIT)
   GRAPH_OBJ_PROP_FONTSIZE,                           // Font size
   GRAPH_OBJ_PROP_RAY_LEFT,                           // Ray goes to the left
   GRAPH_OBJ_PROP_RAY_RIGHT,                          // Ray goes to the right
   GRAPH_OBJ_PROP_RAY,                                // Vertical line goes through all windows of a chart
   GRAPH_OBJ_PROP_ELLIPSE,                            // Display the full ellipse of the Fibonacci Arc object
   GRAPH_OBJ_PROP_ARROWCODE,                          // Arrow code for the "Arrow" object
   GRAPH_OBJ_PROP_ANCHOR,                             // Position of the binding point of the graphical object
   GRAPH_OBJ_PROP_XDISTANCE,                          // Distance from the base corner along the X axis in pixels
   GRAPH_OBJ_PROP_YDISTANCE,                          // Distance from the base corner along the Y axis in pixels
   GRAPH_OBJ_PROP_DIRECTION,                          // Gann object trend
   GRAPH_OBJ_PROP_DEGREE,                             // Elliott wave marking level
   GRAPH_OBJ_PROP_DRAWLINES,                          // Display lines for Elliott wave marking
   GRAPH_OBJ_PROP_STATE,                              // Button state (pressed/released)
   GRAPH_OBJ_PROP_CHART_OBJ_CHART_ID,                 // Chart object ID (OBJ_CHART).
   GRAPH_OBJ_PROP_CHART_OBJ_PERIOD,                   // Chart object period
   GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE,               // Time scale display flag for the Chart object
   GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE,              // Price scale display flag for the Chart object
   GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE,              // Chart object scale
   GRAPH_OBJ_PROP_XSIZE,                              // Object width along the X axis in pixels.
   GRAPH_OBJ_PROP_YSIZE,                              // Object height along the Y axis in pixels.
   GRAPH_OBJ_PROP_XOFFSET,                            // X coordinate of the upper-left corner of the visibility area.
   GRAPH_OBJ_PROP_YOFFSET,                            // Y coordinate of the upper-left corner of the visibility area.
   GRAPH_OBJ_PROP_BGCOLOR,                            // Background color for OBJ_EDIT, OBJ_BUTTON, OBJ_RECTANGLE_LABEL
   GRAPH_OBJ_PROP_CORNER,                             // Chart corner for binding a graphical object
   GRAPH_OBJ_PROP_BORDER_TYPE,                        // Border type for "Rectangle border"
   GRAPH_OBJ_PROP_BORDER_COLOR,                       // Border color for OBJ_EDIT and OBJ_BUTTON
  };
#define GRAPH_OBJ_PROP_INTEGER_TOTAL (52)             // Total number of integer properties
#define GRAPH_OBJ_PROP_INTEGER_SKIP  (0)              // Number of integer properties not used in sorting
//+------------------------------------------------------------------+
//| Real properties of a standard graphical object                   |
//+------------------------------------------------------------------+

Die Konstante ID des Chartobjekts (OBJ_CHART) hieß früher "GRAPH_OBJ_PROP_OBJ_CHART_ID", wodurch sie aus der Liste der Enumerationskonstanten, die die Eigenschaften des Chartobjekts beschreiben, herausfiel. Jetzt wurden alle diese Konstanten vereinheitlicht.

Jedes Vorkommen der fehlerhaften Konstante GRAPH_OBJ_PROP_OBJ_CHART_ID wird nun in allen Bibliotheksdateien durch GRAPH_OBJ_PROP_CHART_OBJ_CHART_ID ersetzt.

In \MQL5\Include\DoEasy\Data.mqh ergänzen wir die Indices der neuen Nachrichten:

   MSG_GRAPH_OBJ_PROP_GROUP,                          // Graphical object group
   MSG_GRAPH_OBJ_PROP_GROUP_LINES,                    // Lines
   MSG_GRAPH_OBJ_PROP_GROUP_CHANNELS,                 // Channels
   MSG_GRAPH_OBJ_PROP_GROUP_GANN,                     // Gann
   MSG_GRAPH_OBJ_PROP_GROUP_FIBO,                     // Fibo
   MSG_GRAPH_OBJ_PROP_GROUP_ELLIOTT,                  // Elliott
   MSG_GRAPH_OBJ_PROP_GROUP_SHAPES,                   // Shapes
   MSG_GRAPH_OBJ_PROP_GROUP_ARROWS,                   // Arrows
   MSG_GRAPH_OBJ_PROP_GROUP_GRAPHICAL,                // Graphical objects
   
   MSG_GRAPH_OBJ_TEXT_CLICK_COORD,                    // (Chart click coordinate)
   MSG_GRAPH_OBJ_TEXT_ANCHOR_TOP,                     // Arrow anchor point is located at the top
   MSG_GRAPH_OBJ_TEXT_ANCHOR_BOTTOM,                  // Arrow anchor point is located at the bottom
   
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_UPPER,              // Anchor point at the upper left corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT,                    // Anchor point at the left center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_LOWER,              // Anchor point at the lower left corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LOWER,                   // Anchor point at the bottom center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_LOWER,             // Anchor point at the lower right corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT,                   // Anchor point at the right center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_UPPER,             // Anchor point at the upper right corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_UPPER,                   // Anchor point at the upper center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_CENTER,                  // Anchor point at the very center of the object
   
   MSG_GRAPH_OBJ_FAILED_GET_ADDED_OBJ_LIST,           // Failed to get the list of newly added objects
   MSG_GRAPH_OBJ_FAILED_DETACH_OBJ_FROM_LIST,         // Failed to remove a graphical object from the list
   
  };
//+------------------------------------------------------------------+

und die Textnachrichten, die den neu hinzugefügten Indizes entsprechen:

   MSG_GRAPH_OBJ_PROP_GROUP,                          // Graphical object group
   MSG_GRAPH_OBJ_PROP_GROUP_LINES,                    // Lines
   MSG_GRAPH_OBJ_PROP_GROUP_CHANNELS,                 // Channels
   MSG_GRAPH_OBJ_PROP_GROUP_GANN,                     // Gann
   MSG_GRAPH_OBJ_PROP_GROUP_FIBO,                     // Fibo
   MSG_GRAPH_OBJ_PROP_GROUP_ELLIOTT,                  // Elliott
   MSG_GRAPH_OBJ_PROP_GROUP_SHAPES,                   // Shapes
   MSG_GRAPH_OBJ_PROP_GROUP_ARROWS,                   // Arrows
   MSG_GRAPH_OBJ_PROP_GROUP_GRAPHICAL,                // Graphical objects
   
   MSG_GRAPH_OBJ_TEXT_CLICK_COORD,                    // (Chart click coordinate)
   MSG_GRAPH_OBJ_TEXT_ANCHOR_TOP,                     // Arrow anchor point is located at the top
   MSG_GRAPH_OBJ_TEXT_ANCHOR_BOTTOM,                  // Arrow anchor point is located at the bottom
   
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_UPPER,              // Anchor point at the upper left corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT,                    // Anchor point at the left center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_LOWER,              // Anchor point at the lower left corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_LOWER,                   // Anchor point at the bottom center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_LOWER,             // Anchor point at the lower right corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT,                   // Anchor point at the right center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_UPPER,             // Anchor point at the upper right corner
   MSG_GRAPH_OBJ_TEXT_ANCHOR_UPPER,                   // Anchor point at the upper center
   MSG_GRAPH_OBJ_TEXT_ANCHOR_CENTER,                  // Anchor point at the very center of the object
   
   MSG_GRAPH_OBJ_FAILED_GET_ADDED_OBJ_LIST,           // Failed to get the list of newly added objects
   MSG_GRAPH_OBJ_FAILED_DETACH_OBJ_FROM_LIST,         // Failed to remove a graphical object from the list
   
  };
//+------------------------------------------------------------------+

Verschiedene grafische Objekte haben die gleiche Eigenschaft "Position des Ankerpunkts des grafischen Objekts", aber unterschiedliche Enumerationen zur Angabe einer Bindungsmethode für verschiedene Objekte. Text, Label, Bitmap und Bitmap Label benötigen die Enumeration ENUM_ANCHOR_POINT, während Pfeil Objekte ENUM_ARROW_ANCHOR anwenden.

Die Klasse des abstrakten grafischen Objekts für diese Eigenschaft enthält daher eine Methode, die den Ankerpunkt des Objekts vom Typ int zurückgibt und nicht den Typ einer dieser Enumerationen, da wir nicht wissen, welches der Objekte von der Klasse abgeleitet ist und welcher Enumerationstyp zurückgegeben werden soll. Die abgeleiteten Klassen sollen ihre eigenen Methoden haben, die den erforderlichen Enumerationstyp der Bindungsmethode zurückgeben. Die abstrakte Klasse verfügt über eine virtuelle Methode zur Anzeige der Beschreibung der Bindungsmethode

//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return (string)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR);}

Jede der abgeleiteten Klassen muss dieselbe virtuelle Methode haben, die den erforderlichen Beschreibungstyp zurückgibt (oder die Bindungsmethode aus der Enumeration ENUM_ARROW_ANCHOR oder ENUM_ANCHOR_POINT).

Um die notwendige Methode zur Anzeige einer Bindungsmethode auswählen zu können, fügen wir die Funktionen zur Anzeige von Wertbeschreibungen dieser Enumerationen in die Service-Funktionsdatei \MQL5\Include\DoEasy\Services\DELib.mqh ein:

//+------------------------------------------------------------------+
//| Return the anchor point description                              |
//| for the Arrow graphical object                                   |
//+------------------------------------------------------------------+
string AnchorForArrowObjDescription(const ENUM_ARROW_ANCHOR anchor)
  {
   return
     (
      anchor==ANCHOR_TOP      ? CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_TOP)    :
      anchor==ANCHOR_BOTTOM   ? CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_BOTTOM) :
      "Unknown"
     );
  }
//+------------------------------------------------------------------+
//| Return the anchor point description for graphical objects        |
//+------------------------------------------------------------------+
string AnchorForGraphicsObjDescription(const ENUM_ANCHOR_POINT anchor)
  {
   return
     (
      anchor==ANCHOR_LEFT_UPPER  ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_UPPER)  :
      anchor==ANCHOR_LEFT        ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT)        :
      anchor==ANCHOR_LEFT_LOWER  ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_LEFT_LOWER)  :
      anchor==ANCHOR_LOWER       ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_LOWER)       :
      anchor==ANCHOR_RIGHT_LOWER ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_LOWER) :
      anchor==ANCHOR_RIGHT       ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT)       :
      anchor==ANCHOR_RIGHT_UPPER ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_RIGHT_UPPER) :
      anchor==ANCHOR_UPPER       ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_UPPER)       :
      anchor==ANCHOR_CENTER      ?  CMessage::Text(MSG_GRAPH_OBJ_TEXT_ANCHOR_CENTER)      :
      "Unknown"
     );
  }
//+------------------------------------------------------------------+
//| Return the flag of displaying the graphical                      |
//| object on a specified chart timeframe                            |
//+------------------------------------------------------------------+

Hier erhalten wir, abhängig vom übergebenen Wert, die entsprechende Textbeschreibung.

Hinzufügen der übrigen abgeleiteten Objekte des abstrakten grafischen Objekts

In \MQL5\Include\DoEasy\Objects\Graph\Standard\ fügen wir die übrigen abgeleiteten Klassen des abstrakten grafischen Objekts hinzu.

Alle Objekte sollten von der Klasse CGStdGraphObj ererbt werden, und die Klassendatei sollte in die erstellten Dateien eingebunden werden.

Grafische Objektklasse Rechteck:

//+------------------------------------------------------------------+
//|                                             GStdRectangleObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Rectangle graphical object                                       |
//+------------------------------------------------------------------+
class CGStdRectangleObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdRectangleObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_RECTANGLE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_SHAPES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FILL,::ObjectGetInteger(chart_id,name,OBJPROP_FILL));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the (ENUM_OBJECT) type description
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_RECTANGLE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdRectangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_FILL         : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdRectangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdRectangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdRectangleObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdRectangleObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Der Konstruktor jeder solchen Klasse soll nur die Objekteigenschaften empfangen und speichern, die zu dem von der Klasse beschriebenen grafischen Objekttyp gehören. In ähnlicher Weise führen die Methoden, die die Flags zurückgeben, die die Objektunterstützung für ihre Eigenschaften anzeigen, nur die Eigenschaften auf, die das grafische Objekt unterstützt.

Werfen wir einen Blick auf andere Klassen von grafischen Standardobjekten und fügen wir gegebenenfalls Kommentare zu den Klassencodes hinzu.

Grafische Objektklasse Dreieck:

//+------------------------------------------------------------------+
//|                                             CGStdTriangleObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Triangle graphical object                                        |
//+------------------------------------------------------------------+
class CGStdTriangleObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdTriangleObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_TRIANGLE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_SHAPES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FILL,::ObjectGetInteger(chart_id,name,OBJPROP_FILL));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_TRIANGLE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdTriangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_FILL         : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdTriangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdTriangleObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdTriangleObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdTriangleObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Ellipse:

//+------------------------------------------------------------------+
//|                                               GStdEllipseObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Ellipse graphical object                                         |
//+------------------------------------------------------------------+
class CGStdEllipseObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdEllipseObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ELLIPSE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_SHAPES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FILL,::ObjectGetInteger(chart_id,name,OBJPROP_FILL));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ELLIPSE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdEllipseObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_FILL         : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdEllipseObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdEllipseObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdEllipseObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdEllipseObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Daumen hoch:

//+------------------------------------------------------------------+
//|                                          GStdArrowThumbUpObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Thumb up graphical object                                        |
//+------------------------------------------------------------------+
class CGStdArrowThumbUpObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowThumbUpObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_THUMB_UP,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_THUMB_UP);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowThumbUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowThumbUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowThumbUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowThumbUpObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowThumbUpObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Zusätzlich zum Schreiben der notwendigen Objekteigenschaften im Klassenkonstruktor habe ich die Methode zur Rückgabe der Bindungsmethode, die den Enumerationstyp ENUM_ARROW_ANCHOR zurückgibt, und die virtuelle Methode zur Rückgabe der Ankermethodenbeschreibung unter Verwendung des von der Funktion AnchorForArrowObjDescription(), die ich in der Datei der Servicefunktionen hinzugefügt habe, zurückgegebenen Wertes hinzugefügt.

Grafische Objektklasse Daumen runter:

//+------------------------------------------------------------------+
//|                                        GStdArrowThumbDownObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Thumb down graphical object                                      |
//+------------------------------------------------------------------+
class CGStdArrowThumbDownObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowThumbDownObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_THUMB_DOWN,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_THUMB_DOWN);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowThumbDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowThumbDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowThumbDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowThumbDownObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowThumbDownObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Pfeil hoch:

//+------------------------------------------------------------------+
//|                                               GStdArrowUpObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Arrow up graphical object                                        |
//+------------------------------------------------------------------+
class CGStdArrowUpObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowUpObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_UP,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_UP);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowUpObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowUpObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowUpObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Pfeil runter:

//+------------------------------------------------------------------+
//|                                             GStdArrowDownObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Arrow down graphical object                                      |
//+------------------------------------------------------------------+
class CGStdArrowDownObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowDownObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_DOWN,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_DOWN);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowDownObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowDownObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowDownObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Stop:

//+------------------------------------------------------------------+
//|                                             GStdArrowStopObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Stop graphical object                                            |
//+------------------------------------------------------------------+
class CGStdArrowStopObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowStopObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_STOP,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_STOP);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowStopObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowStopObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowStopObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowStopObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowStopObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Häkchen:

//+------------------------------------------------------------------+
//|                                            GStdArrowCheckObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| "Check mark" graphical object                                    |
//+------------------------------------------------------------------+
class CGStdArrowCheckObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowCheckObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_CHECK,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_CHECK);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowCheckObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowCheckObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowCheckObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowCheckObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowCheckObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse linkes Preisschild:

//+------------------------------------------------------------------+
//|                                        GStdArrowLeftPriceObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Left price label graphical object                                |
//+------------------------------------------------------------------+
class CGStdArrowLeftPriceObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowLeftPriceObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_LEFT_PRICE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name) { }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_LEFT_PRICE);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowLeftPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowLeftPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowLeftPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowLeftPriceObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowLeftPriceObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse rechtes Preisschild:

//+------------------------------------------------------------------+
//|                                       GStdArrowRightPriceObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Right price label graphical object                               |
//+------------------------------------------------------------------+
class CGStdArrowRightPriceObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowRightPriceObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_RIGHT_PRICE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name) { }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_RIGHT_PRICE);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowRightPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowRightPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowRightPriceObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowRightPriceObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowRightPriceObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Kauf:

//+------------------------------------------------------------------+
//|                                              GStdArrowBuyObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Buy graphical object                                             |
//+------------------------------------------------------------------+
class CGStdArrowBuyObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowBuyObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_BUY,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Specify the object property
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_TOP);
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_BUY);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowBuyObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowBuyObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowBuyObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowBuyObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowBuyObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Verkauf:

//+------------------------------------------------------------------+
//|                                             GStdArrowSellObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Sell graphical object                                            |
//+------------------------------------------------------------------+
class CGStdArrowSellObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowSellObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW_SELL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Specify the object property
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_BOTTOM);
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW_SELL);  }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowSellObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowSellObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowSellObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowSellObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowSellObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Pfeil:

//+------------------------------------------------------------------+
//|                                                 GStdArrowObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Arrow graphical object                                           |
//+------------------------------------------------------------------+
class CGStdArrowObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROW,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ARROWS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ARROWCODE,::ObjectGetInteger(chart_id,name,OBJPROP_ARROWCODE));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ARROW_ANCHOR Anchor(void)            const { return (ENUM_ARROW_ANCHOR)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_ARROW);    }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForArrowObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STYLE        :
      case GRAPH_OBJ_PROP_WIDTH        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_ARROWCODE    : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdArrowObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdArrowObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdArrowObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Text:

//+------------------------------------------------------------------+
//|                                                  GStdTextObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Text graphical object                                            |
//+------------------------------------------------------------------+
class CGStdTextObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdTextObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_TEXT,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONTSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_FONTSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANGLE,::ObjectGetDouble(chart_id,name,OBJPROP_ANGLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONT,::ObjectGetString(chart_id,name,OBJPROP_FONT));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_TEXT);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdTextObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_FONTSIZE     : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdTextObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ANGLE        :
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdTextObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :
      case GRAPH_OBJ_PROP_FONT            :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdTextObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdTextObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Textschild:

//+------------------------------------------------------------------+
//|                                                 GStdLabelObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Text label graphical object                                      |
//+------------------------------------------------------------------+
class CGStdLabelObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdLabelObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_LABEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANGLE,::ObjectGetDouble(chart_id,name,OBJPROP_ANGLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONTSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_FONTSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONT,::ObjectGetString(chart_id,name,OBJPROP_FONT));
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the (ENUM_OBJECT) type description
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_LABEL);       }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_CORNER       :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_XDISTANCE    :
      case GRAPH_OBJ_PROP_YDISTANCE    :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_FONTSIZE     : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ANGLE        :
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :
      case GRAPH_OBJ_PROP_FONT            :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdLabelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdLabelObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Schaltfläche:

//+------------------------------------------------------------------+
//|                                                GStdButtonObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Button graphical object                                          |
//+------------------------------------------------------------------+
class CGStdButtonObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdButtonObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_BUTTON,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_STATE,::ObjectGetInteger(chart_id,name,OBJPROP_STATE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BGCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_BGCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BORDER_COLOR,::ObjectGetInteger(chart_id,name,OBJPROP_BORDER_COLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONTSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_FONTSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONT,::ObjectGetString(chart_id,name,OBJPROP_FONT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_LEFT_UPPER);
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_BUTTON);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdButtonObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_CORNER       :
      case GRAPH_OBJ_PROP_XDISTANCE    :
      case GRAPH_OBJ_PROP_YDISTANCE    :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_STATE        :
      case GRAPH_OBJ_PROP_BGCOLOR      :
      case GRAPH_OBJ_PROP_BORDER_COLOR :
      case GRAPH_OBJ_PROP_FONTSIZE     : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdButtonObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdButtonObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME            :
      case GRAPH_OBJ_PROP_TEXT            :
      case GRAPH_OBJ_PROP_TOOLTIP         :
      case GRAPH_OBJ_PROP_FONT            :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdButtonObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdButtonObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Achten Sie auf die Einstellung der Eigenschaft Objektbindungsmethode im Klassenkonstruktor. Bei einigen grafischen Objekten wird die Bindung ausschließlich in der linken oberen Ecke vorgenommen. Deshalb lesen wir hier diese Eigenschaft nicht aus den Objektparametern aus, sondern setzen gleich die richtige Ecke. Auf die Codezeilen der Klasse zum Hervorheben werde ich später eingehen.

Grafische Objektklasse Chart:

//+------------------------------------------------------------------+
//|                                                 GStdChartObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Chart graphical object                                           |
//+------------------------------------------------------------------+
class CGStdChartObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdChartObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_CHART,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_CHART_ID,::ObjectGetInteger(chart_id,name,OBJPROP_CHART_ID));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_PERIOD,::ObjectGetInteger(chart_id,name,OBJPROP_PERIOD));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE,::ObjectGetInteger(chart_id,name,OBJPROP_DATE_SCALE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE,::ObjectGetInteger(chart_id,name,OBJPROP_PRICE_SCALE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE,::ObjectGetInteger(chart_id,name,OBJPROP_CHART_SCALE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL,::ObjectGetString(chart_id,name,OBJPROP_SYMBOL));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_LEFT_UPPER);
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_CHART);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdChartObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID                    :
      case GRAPH_OBJ_PROP_TYPE                  :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE          : 
      case GRAPH_OBJ_PROP_GROUP                 : 
      case GRAPH_OBJ_PROP_BELONG                :
      case GRAPH_OBJ_PROP_CHART_ID              :
      case GRAPH_OBJ_PROP_WND_NUM               :
      case GRAPH_OBJ_PROP_NUM                   :
      case GRAPH_OBJ_PROP_CREATETIME            :
      case GRAPH_OBJ_PROP_TIMEFRAMES            :
      case GRAPH_OBJ_PROP_BACK                  :
      case GRAPH_OBJ_PROP_ZORDER                :
      case GRAPH_OBJ_PROP_HIDDEN                :
      case GRAPH_OBJ_PROP_SELECTED              :
      case GRAPH_OBJ_PROP_SELECTABLE            :
      case GRAPH_OBJ_PROP_TIME                  :
      case GRAPH_OBJ_PROP_COLOR                 :
      case GRAPH_OBJ_PROP_CORNER                :
      case GRAPH_OBJ_PROP_XDISTANCE             :
      case GRAPH_OBJ_PROP_YDISTANCE             :
      case GRAPH_OBJ_PROP_XSIZE                 :
      case GRAPH_OBJ_PROP_YSIZE                 :
      case GRAPH_OBJ_PROP_CHART_OBJ_CHART_ID    :
      case GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE  :
      case GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE :
      case GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE :
      case GRAPH_OBJ_PROP_CHART_OBJ_PERIOD      : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdChartObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdChartObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL   :
      case GRAPH_OBJ_PROP_NAME               :
      case GRAPH_OBJ_PROP_TEXT               :
      case GRAPH_OBJ_PROP_TOOLTIP            :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdChartObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdChartObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Bitmap:

//+------------------------------------------------------------------+
//|                                                GStdBitmapObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Bitmap graphical object                                          |
//+------------------------------------------------------------------+
class CGStdBitmapObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdBitmapObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_BITMAP,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_XOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_YOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_BITMAP);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdBitmapObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_XOFFSET      :
      case GRAPH_OBJ_PROP_YOFFSET      : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdBitmapObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdBitmapObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME      :
      case GRAPH_OBJ_PROP_TEXT      :
      case GRAPH_OBJ_PROP_TOOLTIP   :
      case GRAPH_OBJ_PROP_BMPFILE   :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdBitmapObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdBitmapObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Bitmap-Schild:

//+------------------------------------------------------------------+
//|                                                GStdBitmapObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Bitmap label graphical object                                    |
//+------------------------------------------------------------------+
class CGStdBitmapLabelObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdBitmapLabelObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_BITMAP_LABEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_XOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_YOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,::ObjectGetInteger(chart_id,name,OBJPROP_ANCHOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_STATE,::ObjectGetInteger(chart_id,name,OBJPROP_STATE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BMPFILE,::ObjectGetString(chart_id,name,OBJPROP_BMPFILE));
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_BITMAP_LABEL);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdBitmapLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_STATE        :
      case GRAPH_OBJ_PROP_CORNER       :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_XDISTANCE    :
      case GRAPH_OBJ_PROP_YDISTANCE    :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_XOFFSET      :
      case GRAPH_OBJ_PROP_YOFFSET      : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdBitmapLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdBitmapLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME      :
      case GRAPH_OBJ_PROP_TEXT      :
      case GRAPH_OBJ_PROP_TOOLTIP   :
      case GRAPH_OBJ_PROP_BMPFILE   :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdBitmapLabelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdBitmapLabelObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Editierfeld:

//+------------------------------------------------------------------+
//|                                                  GStdEditObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Edit field graphical object                                      |
//+------------------------------------------------------------------+
class CGStdEditObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdEditObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_EDIT,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_READONLY,::ObjectGetInteger(chart_id,name,OBJPROP_READONLY));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ALIGN,::ObjectGetInteger(chart_id,name,OBJPROP_ALIGN));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BGCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_BGCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BORDER_COLOR,::ObjectGetInteger(chart_id,name,OBJPROP_BORDER_COLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONTSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_FONTSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FONT,::ObjectGetString(chart_id,name,OBJPROP_FONT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_LEFT_UPPER);
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_EDIT);        }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor()); }

  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdEditObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        :
      case GRAPH_OBJ_PROP_READONLY     :
      case GRAPH_OBJ_PROP_CORNER       :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_XDISTANCE    :
      case GRAPH_OBJ_PROP_YDISTANCE    :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_ALIGN        :
      case GRAPH_OBJ_PROP_BORDER_COLOR :
      case GRAPH_OBJ_PROP_FONTSIZE     :
      case GRAPH_OBJ_PROP_BGCOLOR      : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdEditObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdEditObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME      :
      case GRAPH_OBJ_PROP_TEXT      :
      case GRAPH_OBJ_PROP_TOOLTIP   :
      case GRAPH_OBJ_PROP_FONT      :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdEditObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdEditObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse Kalenderereignis:

//+------------------------------------------------------------------+
//|                                                 GStdEventObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Calendar event graphical object                                  |
//+------------------------------------------------------------------+
class CGStdEventObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdEventObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_EVENT,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name) { }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the graphical object price (1) type (ENUM_OBJECT) and (2) price coordinate
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_EVENT);        }
   virtual string    PriceDescription(void)  const
                       { 
                        return ::DoubleToString(this.GetProperty(GRAPH_OBJ_PROP_PRICE),this.m_digits)+" "+
                                 CMessage::Text(MSG_GRAPH_OBJ_TEXT_CLICK_COORD);
                       }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdEventObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_COLOR        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdEventObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdEventObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME      :
      case GRAPH_OBJ_PROP_TEXT      :
      case GRAPH_OBJ_PROP_TOOLTIP   :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdEventObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdEventObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Grafische Objektklasse rechteckiges Schild:

//+------------------------------------------------------------------+
//|                                        GStdRectangleLabelObj.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| Rectangular label graphical object                               |
//+------------------------------------------------------------------+
class CGStdRectangleLabelObj : public CGStdGraphObj
  {
private:
   void              CoordsToTimePrice(void)
                       {
                        int      subwnd;
                        datetime time;
                        double   price;
                        if(::ChartXYToTimePrice(m_chart_id,(int)this.XDistance(),(int)this.YDistance(),subwnd,time,price))
                          {
                           this.SetTime(time);
                           this.SetPrice(price);
                          }
                       }
public:
   //--- Constructor
                     CGStdRectangleLabelObj(const long chart_id,const string name) : 
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_RECTANGLE_LABEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GRAPHICAL,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_XDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YDISTANCE,::ObjectGetInteger(chart_id,name,OBJPROP_YDISTANCE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_XSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YSIZE,::ObjectGetInteger(chart_id,name,OBJPROP_YSIZE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_XOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_XOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_YOFFSET,::ObjectGetInteger(chart_id,name,OBJPROP_YOFFSET));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_CORNER,::ObjectGetInteger(chart_id,name,OBJPROP_CORNER));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BORDER_TYPE,::ObjectGetInteger(chart_id,name,OBJPROP_BORDER_TYPE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_BORDER_COLOR,::ObjectGetInteger(chart_id,name,OBJPROP_BORDER_COLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANCHOR,ANCHOR_LEFT_UPPER);
                           this.CoordsToTimePrice();
                          }
   //--- Supported object properties (1) real, (2) integer
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property);
   virtual bool      SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property);
//--- Return the graphical object anchor point position
   ENUM_ANCHOR_POINT Anchor(void)            const { return (ENUM_ANCHOR_POINT)this.GetProperty(GRAPH_OBJ_PROP_ANCHOR); }
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the (ENUM_OBJECT) graphical object type
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_RECTANGLE_LABEL);         }
//--- Return the description of the graphical object anchor point position
   virtual string    AnchorDescription(void) const { return AnchorForGraphicsObjDescription(this.Anchor());             }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdRectangleLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ID           :
      case GRAPH_OBJ_PROP_TYPE         :
      case GRAPH_OBJ_PROP_ELEMENT_TYPE : 
      case GRAPH_OBJ_PROP_GROUP        : 
      case GRAPH_OBJ_PROP_BELONG       :
      case GRAPH_OBJ_PROP_CHART_ID     :
      case GRAPH_OBJ_PROP_WND_NUM      :
      case GRAPH_OBJ_PROP_NUM          :
      case GRAPH_OBJ_PROP_CREATETIME   :
      case GRAPH_OBJ_PROP_TIMEFRAMES   :
      case GRAPH_OBJ_PROP_BACK         :
      case GRAPH_OBJ_PROP_ZORDER       :
      case GRAPH_OBJ_PROP_HIDDEN       :
      case GRAPH_OBJ_PROP_SELECTED     :
      case GRAPH_OBJ_PROP_SELECTABLE   :
      case GRAPH_OBJ_PROP_TIME         :
      case GRAPH_OBJ_PROP_ANCHOR       :
      case GRAPH_OBJ_PROP_CORNER       :
      case GRAPH_OBJ_PROP_XDISTANCE    :
      case GRAPH_OBJ_PROP_YDISTANCE    :
      case GRAPH_OBJ_PROP_XOFFSET      :
      case GRAPH_OBJ_PROP_YOFFSET      :
      case GRAPH_OBJ_PROP_XSIZE        :
      case GRAPH_OBJ_PROP_YSIZE        :
      case GRAPH_OBJ_PROP_BORDER_COLOR :
      case GRAPH_OBJ_PROP_BORDER_TYPE  : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| real property, otherwise return 'false'                          |
//+------------------------------------------------------------------+
bool CGStdRectangleLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_PRICE        : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| string property, otherwise return 'false'                        |
//+------------------------------------------------------------------+
bool CGStdRectangleLabelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_NAME      :
      case GRAPH_OBJ_PROP_TEXT      :
      case GRAPH_OBJ_PROP_TOOLTIP   :  return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdRectangleLabelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdRectangleLabelObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      this.Header(symbol)," \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

Wenn wir uns die Struktur der Klassen genau ansehen, werden wir feststellen, dass sie alle identisch sind, aber jede Klasse individuelle Eigenschaften hat. Alle Objekteigenschaften werden im Konstruktor gelesen und in den Klassenvariablen gespeichert. Es gibt auch Objekte, die in ihren Eigenschaften keinen Preis oder keine Zeit für die Änderung haben, aber dennoch vom Terminal auf diese Eigenschaften gesetzt werden (z.B. im Falle des "Rechteckigen Etiketts" wird das Objekt auf die Chart-Koordinaten in Pixeln gesetzt, aber seine "Preis/Zeit"-Parameter haben die Werte, die den Chart-Mausklick-Koordinaten entsprechen, wenn das Objekt installiert wird). Solche Eigenschaften erhalten die Werte mit der privaten Methode CoordsToTimePrice().

Jetzt haben wir die Klassen aller Objekte, die von den abstrakten grafischen Objekten abstammen. Jetzt ist es an der Zeit, die Fähigkeit zu implementieren, die Suche nach den erforderlichen grafischen Objekten in der Liste anhand der angegebenen Parameter durchzuführen.
Alle diese Objekte sollen in der Liste der Klasse der grafischen Objekte der Kollektion gespeichert werden. Die Suche und Sortierung wird von der Klasse CSelect in \MQL5\Include\DoEasy\Services\Select.mqh durchgeführt. Wir öffnen die Datei und nehmen die notwendigen Verbesserungen darin vor.

Zunächst binden wir die Klassendatei des abstrakten grafischen Objekts ein:

//+------------------------------------------------------------------+
//|                                                       Select.mqh |
//|                        Copyright 2020, MetaQuotes Software Corp. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2020, MetaQuotes Software Corp."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include <Arrays\ArrayObj.mqh>
#include "..\Objects\Orders\Order.mqh"
#include "..\Objects\Events\Event.mqh"
#include "..\Objects\Accounts\Account.mqh"
#include "..\Objects\Symbols\Symbol.mqh"
#include "..\Objects\PendRequest\PendRequest.mqh"
#include "..\Objects\Series\SeriesDE.mqh"
#include "..\Objects\Indicators\Buffer.mqh"
#include "..\Objects\Indicators\IndicatorDE.mqh"
#include "..\Objects\Indicators\DataInd.mqh"
#include "..\Objects\Ticks\DataTick.mqh"
#include "..\Objects\Book\MarketBookOrd.mqh"
#include "..\Objects\MQLSignalBase\MQLSignal.mqh"
#include "..\Objects\Chart\ChartObj.mqh"
#include "..\Objects\Graph\GCnvElement.mqh"
#include "..\Objects\Graph\Standard\GStdGraphObj.mqh"
//+------------------------------------------------------------------+

Ganz am Ende des Klassenkörpers deklarieren wir die Methoden für die Suche und Sortierung nach den Eigenschaften der grafischen Standardobjekte:

//+------------------------------------------------------------------+
//| Methods of working with standard graphical object data           |
//+------------------------------------------------------------------+
   //--- Return the list of objects with one of (1) integer, (2) real and (3) string properties meeting a specified criterion
   static CArrayObj *ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property,long value,ENUM_COMPARER_TYPE mode);
   static CArrayObj *ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property,double value,ENUM_COMPARER_TYPE mode);
   static CArrayObj *ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_STRING property,string value,ENUM_COMPARER_TYPE mode);
   //--- Return the graphical object index in the list with the maximum value of the (1) integer, (2) real and (3) string properties
   static int        FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property);
   static int        FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   static int        FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_STRING property);
   //--- Return the graphical object index in the list with the minimum value of the (1) integer, (2) real and (3) string properties
   static int        FindGraphicStdObjectMin(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property);
   static int        FindGraphicStdObjectMin(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property);
   static int        FindGraphicStdObjectMin(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_STRING property);
//---
  };
//+------------------------------------------------------------------+

Schreiben wir ihre Implementierung außerhalb des Klassenkörpers:

//+---------------------------------------------------------------------------+
//| The methods of working with data of the graphical elements on the canvas  |
//+---------------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Return the list of objects with one integer                      |
//| property meeting the specified criterion                         |
//+------------------------------------------------------------------+
CArrayObj *CSelect::ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property,long value,ENUM_COMPARER_TYPE mode)
  {
   if(list_source==NULL) return NULL;
   CArrayObj *list=new CArrayObj();
   if(list==NULL) return NULL;
   list.FreeMode(false);
   ListStorage.Add(list);
   int total=list_source.Total();
   for(int i=0; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      if(!obj.SupportProperty(property)) continue;
      long obj_prop=obj.GetProperty(property);
      if(CompareValues(obj_prop,value,mode)) list.Add(obj);
     }
   return list;
  }
//+------------------------------------------------------------------+
//| Return the list of objects with one real                         |
//| property meeting the specified criterion                         |
//+------------------------------------------------------------------+
CArrayObj *CSelect::ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property,double value,ENUM_COMPARER_TYPE mode)
  {
   if(list_source==NULL) return NULL;
   CArrayObj *list=new CArrayObj();
   if(list==NULL) return NULL;
   list.FreeMode(false);
   ListStorage.Add(list);
   for(int i=0; i<list_source.Total(); i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      if(!obj.SupportProperty(property)) continue;
      double obj_prop=obj.GetProperty(property);
      if(CompareValues(obj_prop,value,mode)) list.Add(obj);
     }
   return list;
  }
//+------------------------------------------------------------------+
//| Return the list of objects with one string                       |
//| property meeting the specified criterion                         |
//+------------------------------------------------------------------+
CArrayObj *CSelect::ByGraphicStdObjectProperty(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_STRING property,string value,ENUM_COMPARER_TYPE mode)
  {
   if(list_source==NULL) return NULL;
   CArrayObj *list=new CArrayObj();
   if(list==NULL) return NULL;
   list.FreeMode(false);
   ListStorage.Add(list);
   for(int i=0; i<list_source.Total(); i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      if(!obj.SupportProperty(property)) continue;
      string obj_prop=obj.GetProperty(property);
      if(CompareValues(obj_prop,value,mode)) list.Add(obj);
     }
   return list;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the maximum integer property value                          |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   if(list_source==NULL) return WRONG_VALUE;
   int index=0;
   CGStdGraphObj *max_obj=NULL;
   int total=list_source.Total();
   if(total==0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      long obj1_prop=obj.GetProperty(property);
      max_obj=list_source.At(index);
      long obj2_prop=max_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,MORE)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the maximum real property value                             |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   if(list_source==NULL) return WRONG_VALUE;
   int index=0;
   CGStdGraphObj *max_obj=NULL;
   int total=list_source.Total();
   if(total==0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      double obj1_prop=obj.GetProperty(property);
      max_obj=list_source.At(index);
      double obj2_prop=max_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,MORE)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the maximum string property value                           |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMax(CArrayObj *list_source,ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   if(list_source==NULL) return WRONG_VALUE;
   int index=0;
   CGStdGraphObj *max_obj=NULL;
   int total=list_source.Total();
   if(total==0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      string obj1_prop=obj.GetProperty(property);
      max_obj=list_source.At(index);
      string obj2_prop=max_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,MORE)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the minimum integer property value                          |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMin(CArrayObj* list_source,ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   int index=0;
   CGStdGraphObj *min_obj=NULL;
   int total=list_source.Total();
   if(total==0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      long obj1_prop=obj.GetProperty(property);
      min_obj=list_source.At(index);
      long obj2_prop=min_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,LESS)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the minimum real property value                             |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMin(CArrayObj* list_source,ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   int index=0;
   CGStdGraphObj *min_obj=NULL;
   int total=list_source.Total();
   if(total== 0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      double obj1_prop=obj.GetProperty(property);
      min_obj=list_source.At(index);
      double obj2_prop=min_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,LESS)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+
//| Return the object index in the list                              |
//| with the minimum string property value                           |
//+------------------------------------------------------------------+
int CSelect::FindGraphicStdObjectMin(CArrayObj* list_source,ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   int index=0;
   CGStdGraphObj *min_obj=NULL;
   int total=list_source.Total();
   if(total==0) return WRONG_VALUE;
   for(int i=1; i<total; i++)
     {
      CGStdGraphObj *obj=list_source.At(i);
      string obj1_prop=obj.GetProperty(property);
      min_obj=list_source.At(index);
      string obj2_prop=min_obj.GetProperty(property);
      if(CompareValues(obj1_prop,obj2_prop,LESS)) index=i;
     }
   return index;
  }
//+------------------------------------------------------------------+

Die Logik und den Zweck solcher Methoden habe ich im dritten Artikel besprochen. Es hat keinen Sinn, hier auf sie einzugehen.

Hinzufügen von neu erstellten, grafischen Objekten zur Kollektion

Die Logik hinter der Definition von Chartobjekten ist folgende: Die Objekte zur Verwaltung der grafischen Chartobjekte werden für jedes geöffnete Chart erstellt. Diese Objekte verfolgen Änderungen in der Anzahl der Objekte im Chart. Während die Anzahl der Objekte steigt, können wir die hinzugefügten Objekte sehen, grafische Objekte für sie erstellen und sie in die Liste der neu hinzugefügten Objekte einfügen. Jedes der geöffneten Charts soll also eine eigene Liste der neu hinzugefügten grafischen Objekte enthalten.

Als Nächstes erhalten wir in der Kollektion der grafischen Objekte die Liste aller erstellten Grafikverwaltungsobjekte und sehen die Listen der neu hinzugefügten Objekte für jedes dieser Objekte. Wenn das Chart neue grafische Objekte enthält, werden die Objekte, die sie beschreiben, in die Liste aufgenommen. Von dieser Liste erhalten wir die Zeiger auf jedes Objekt und rufen sie ab. Wenn das Objekt erfolgreich abgerufen wurde, wird es aus der Liste der neu hinzugefügten Objekte der Klasse für die Verwaltung grafischer Objekte entfernt und sofort in die Liste der Kollektion eingefügt. Wenn die Platzierung nicht erfolgreich ist, wird das Objekt mit einer Fehlermeldung entfernt. Auf diese Weise lassen sich Speicherlecks vermeiden, da das aus der Liste entfernte Objekt entweder manuell verwaltet oder in eine andere vom Terminal-Subsystem verwaltete Liste eingefügt werden sollte. Das ist genau das, was ich tue, indem ich ein Objekt in die Kollektion einfüge und es entferne, wenn die Einfügung erfolglos war.

Die Logik impliziert den Verlust eines Objekts, das als grafische Objektbeschreibung erstellt wurde, während die Bibliothek weder in der Lage ist, uns über das Hinzufügen eines grafischen Objekts zum Chart zu informieren, noch es zu verwalten. Aber das ist besser, als das Objekt im Speicher zu lassen.
Ich werde wahrscheinlich versuchen, die Logik der Speicherung solcher Objekte weiter zu verbessern. Dazu muss ich aber erst einmal den Grund für das erfolglose Ablegen eines entfernten Objekts in der Kollektion finden. Der wahrscheinlichste Schuldige ist der Mangel an Speicherplatz. In diesem Fall wird jeder Versuch, das Objekt zu speichern, fehlschlagen. Daher werde ich ein solches Objekt vorerst einfach entfernen.

Zunächst erhält die Datei der Klasse der grafischen Objekte der Kollektion \MQL5\Include\DoEasy\Collections\GraphElementsCollection.mqh alle übrigen Klassen der im aktuellen Artikel erstellten grafischen Standardobjekte:

//+------------------------------------------------------------------+
//|                                      GraphElementsCollection.mqh |
//|                                  Copyright 2021, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "ListObj.mqh"
#include "..\Services\Select.mqh"
#include "..\Objects\Graph\Form.mqh"
#include "..\Objects\Graph\Standard\GStdVLineObj.mqh"
#include "..\Objects\Graph\Standard\GStdHLineObj.mqh"
#include "..\Objects\Graph\Standard\GStdTrendObj.mqh"
#include "..\Objects\Graph\Standard\GStdTrendByAngleObj.mqh"
#include "..\Objects\Graph\Standard\GStdCiclesObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowedLineObj.mqh"
#include "..\Objects\Graph\Standard\GStdChannelObj.mqh"
#include "..\Objects\Graph\Standard\GStdStdDevChannelObj.mqh"
#include "..\Objects\Graph\Standard\GStdRegressionObj.mqh"
#include "..\Objects\Graph\Standard\GStdPitchforkObj.mqh"
#include "..\Objects\Graph\Standard\GStdGannLineObj.mqh"
#include "..\Objects\Graph\Standard\GStdGannFanObj.mqh"
#include "..\Objects\Graph\Standard\GStdGannGridObj.mqh"
#include "..\Objects\Graph\Standard\GStdFiboObj.mqh"
#include "..\Objects\Graph\Standard\GStdFiboTimesObj.mqh"
#include "..\Objects\Graph\Standard\GStdFiboFanObj.mqh"
#include "..\Objects\Graph\Standard\GStdFiboArcObj.mqh"
#include "..\Objects\Graph\Standard\GStdFiboChannelObj.mqh"
#include "..\Objects\Graph\Standard\GStdExpansionObj.mqh"
#include "..\Objects\Graph\Standard\GStdElliotWave5Obj.mqh"
#include "..\Objects\Graph\Standard\GStdElliotWave3Obj.mqh"
#include "..\Objects\Graph\Standard\GStdRectangleObj.mqh"
#include "..\Objects\Graph\Standard\GStdTriangleObj.mqh"
#include "..\Objects\Graph\Standard\GStdEllipseObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowThumbUpObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowThumbDownObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowUpObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowDownObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowStopObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowCheckObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowLeftPriceObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowRightPriceObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowBuyObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowSellObj.mqh"
#include "..\Objects\Graph\Standard\GStdArrowObj.mqh"
#include "..\Objects\Graph\Standard\GStdTextObj.mqh"
#include "..\Objects\Graph\Standard\GStdLabelObj.mqh"
#include "..\Objects\Graph\Standard\GStdButtonObj.mqh"
#include "..\Objects\Graph\Standard\GStdChartObj.mqh"
#include "..\Objects\Graph\Standard\GStdBitmapObj.mqh"
#include "..\Objects\Graph\Standard\GStdBitmapLabelObj.mqh"
#include "..\Objects\Graph\Standard\GStdEditObj.mqh"
#include "..\Objects\Graph\Standard\GStdEventObj.mqh"
#include "..\Objects\Graph\Standard\GStdRectangleLabelObj.mqh"
//+------------------------------------------------------------------+
//| Chart object management class                                    |
//+------------------------------------------------------------------+

Im privaten Abschnitt der Klasse für die Verwaltung grafischer Objekte deklarieren wir die Liste der neu hinzugefügten grafischen Objekte und deklarieren die Methode, die den Namen des letzten grafischen Objekts zurückgibt, das dem Chart hinzugefügt wurde.
Im öffentlichen Abschnitt der Klasse schreiben wir die Methode, die die Liste der neu hinzugefügten Objekte zurückgibt. In den Klassenkonstruktoren leeren wir die Listen und setzen das Flag für die sortierte Liste:

//+------------------------------------------------------------------+
//| Chart object management class                                    |
//+------------------------------------------------------------------+
class CChartObjectsControl : public CObject
  {
private:
   CArrayObj         m_list_new_graph_obj;      // List of added graphical objects
   ENUM_TIMEFRAMES   m_chart_timeframe;         // Chart timeframe
   long              m_chart_id;                // Chart ID
   string            m_chart_symbol;            // Chart symbol
   bool              m_is_graph_obj_event;      // Event flag in the list of graphical objects
   int               m_total_objects;           // Number of graphical objects
   int               m_last_objects;            // Number of graphical objects during the previous check
   int               m_delta_graph_obj;         // Difference in the number of graphical objects compared to the previous check
   
//--- Return the name of the last graphical object added to the chart
   string            LastAddedGraphObjName(void);
   
public:
//--- Return the variable values
   ENUM_TIMEFRAMES   Timeframe(void)                           const { return this.m_chart_timeframe;    }
   long              ChartID(void)                             const { return this.m_chart_id;           }
   string            Symbol(void)                              const { return this.m_chart_symbol;       }
   bool              IsEvent(void)                             const { return this.m_is_graph_obj_event; }
   int               TotalObjects(void)                        const { return this.m_total_objects;      }
   int               Delta(void)                               const { return this.m_delta_graph_obj;    }
//--- Create a new standard graphical object
   CGStdGraphObj    *CreateNewGraphObj(const ENUM_OBJECT obj_type,const long chart_id, const string name);
//--- Return the list of newly added objects
   CArrayObj        *GetListNewAddedObj(void)                        { return &this.m_list_new_graph_obj;}
//--- Check the chart objects
   void              Refresh(void);
//--- Constructors
                     CChartObjectsControl(void)
                       { 
                        this.m_list_new_graph_obj.Clear();
                        this.m_list_new_graph_obj.Sort();
                        this.m_chart_id=::ChartID();
                        this.m_chart_timeframe=(ENUM_TIMEFRAMES)::ChartPeriod(this.m_chart_id);
                        this.m_chart_symbol=::ChartSymbol(this.m_chart_id);
                        this.m_is_graph_obj_event=false;
                        this.m_total_objects=0;
                        this.m_last_objects=0;
                        this.m_delta_graph_obj=0;
                       }
                     CChartObjectsControl(const long chart_id)
                       { 
                        this.m_list_new_graph_obj.Clear();
                        this.m_list_new_graph_obj.Sort();
                        this.m_chart_id=chart_id;
                        this.m_chart_timeframe=(ENUM_TIMEFRAMES)::ChartPeriod(this.m_chart_id);
                        this.m_chart_symbol=::ChartSymbol(this.m_chart_id);
                        this.m_is_graph_obj_event=false;
                        this.m_total_objects=0;
                        this.m_last_objects=0;
                        this.m_delta_graph_obj=0;
                       }
                     
//--- Compare CChartObjectsControl objects by a chart ID (for sorting the list by an object property)
   virtual int       Compare(const CObject *node,const int mode=0) const
                       {
                        const CChartObjectsControl *obj_compared=node;
                        return(this.ChartID()>obj_compared.ChartID() ? 1 : this.ChartID()<obj_compared.ChartID() ? -1 : 0);
                       }
  };
//+------------------------------------------------------------------+

Zuvor haben wir in der Methode Refresh() der Klasse zur Verwaltung grafischer Objekte auf folgende Weise nach dem letzten grafischen Objekt gesucht, das dem Chart hinzugefügt wurde:

   //--- If an object is added to the chart
   if(this.m_delta_graph_obj>0)
     {
      int index=0;
      datetime time=0;
      string name="";
      //--- find the last added graphical object and write its index
      for(int j=0;j<this.m_total_objects;j++)
        {
         name=::ObjectName(this.ChartID(),j);
         datetime tm=(datetime)::ObjectGetInteger(this.ChartID(),name,OBJPROP_CREATETIME);
         if(tm>time)
           {
            time=tm;
            index=j;
           }
        }
      
      //--- Select the last graphical object by its index
      name=::ObjectName(this.ChartID(),index);
      if(name!="")
        {

Dieser gesamte Code ist nun in einer eigenen Methode untergebracht. Der Codeblock sieht also derzeit wie folgt aus:

   //--- If an object is added to the chart
   if(this.m_delta_graph_obj>0)
     {
      //--- find the last added graphical object, select it and write its name
      string name=this.LastAddedGraphObjName();
      if(name!="")
        {

Wenn der Name des zuletzt zum Chart hinzugefügten Objekts empfangen wurde, haben wir ein Objekt erstellt, das es beschreibt, seine Eigenschaften festgelegt, sie an das Journal gesendet und das Objekt sofort entfernt:

      //--- Select the last graphical object by its index
      name=::ObjectName(this.ChartID(),index);
      if(name!="")
        {
         //--- Create the object of the graphical object class corresponding to the added graphical object type
         ENUM_OBJECT type=(ENUM_OBJECT)::ObjectGetInteger(this.ChartID(),name,OBJPROP_TYPE);
         ENUM_OBJECT_DE_TYPE obj_type=ENUM_OBJECT_DE_TYPE(type+OBJECT_DE_TYPE_GSTD_OBJ+1);
         CGStdGraphObj *obj=this.CreateNewGraphObj(type,this.ChartID(),name);
         if(obj!=NULL)
           {
            //--- Set the object index and affiliation, display its short description and remove the created object
            obj.SetObjectID(this.m_total_objects);
            obj.SetBelong(GRAPH_OBJ_BELONG_NO_PROGRAM); 
            obj.Print();
            delete obj;
           }
        }

Jetzt werden wir das Objekt in der Liste der neu hinzugefügten Objekte speichern:

//+------------------------------------------------------------------+
//| CChartObjectsControl Check objects on a chart                    |
//+------------------------------------------------------------------+
void CChartObjectsControl::Refresh(void)
  {
//--- Graphical objects on the chart
   this.m_total_objects=::ObjectsTotal(this.ChartID());
   this.m_delta_graph_obj=this.m_total_objects-this.m_last_objects;
   
//--- If the number of objects has changed
   if(this.m_delta_graph_obj!=0)
     {
      //--- Create the string and display it in the journal with the chart ID, its symbol and timeframe
      string txt=", "+(m_delta_graph_obj>0 ? "Added: " : "Deleted: ")+(string)fabs(m_delta_graph_obj)+" obj";
      Print(DFUN,"ChartID=",this.ChartID(),", ",this.Symbol(),", ",TimeframeDescription(this.Timeframe()),txt);
     }
   //--- If an object is added to the chart
   if(this.m_delta_graph_obj>0)
     {
      //--- find the last added graphical object, select it and write its name
      string name=this.LastAddedGraphObjName();
      if(name!="")
        {
         //--- Create the object of the graphical object class corresponding to the added graphical object type
         ENUM_OBJECT type=(ENUM_OBJECT)::ObjectGetInteger(this.ChartID(),name,OBJPROP_TYPE);
         ENUM_OBJECT_DE_TYPE obj_type=ENUM_OBJECT_DE_TYPE(type+OBJECT_DE_TYPE_GSTD_OBJ+1);
         CGStdGraphObj *obj=this.CreateNewGraphObj(type,this.ChartID(),name);
         if(obj==NULL)
            return;
         //--- Set the object affiliation and add the created object to the list of new objects
         obj.SetBelong(GRAPH_OBJ_BELONG_NO_PROGRAM); 
         if(this.m_list_new_graph_obj.Search(obj)==WRONG_VALUE)
           {
            this.m_list_new_graph_obj.Add(obj);
           }
        }
     }
//--- save the index of the last added graphical object and the difference with the last check
   this.m_last_objects=this.m_total_objects;
   this.m_is_graph_obj_event=(bool)this.m_delta_graph_obj;
  }
//+------------------------------------------------------------------+

Nun wird die Liste der dem Chart hinzugefügten grafischen Objekte in jedem Objekt der Klasse für die Verwaltung grafischer Objekte nach jedem neu hinzugefügten Objekt für das offene Chart erstellt. Als Nächstes sollen wir in der Klasse der grafischen Objektverwaltung in der Lage sein, jedes Objekt für die grafische Objektverwaltung zu betrachten, alle vorhandenen Objekte, die die erstellten grafischen Objekte beschreiben, aus ihren Listen abzurufen und sie in die Liste der Kollektion aufzunehmen.

In der Methode zur Erstellung eines neuen grafischen Standardobjekts entfernen Sie alle verbleibenden Zeichenfolgen für die Objekterstellung, die ich heute implementiert habe:

//+------------------------------------------------------------------+
//| CChartObjectsControl                                             |
//| Create a new standard graphical object                           |
//+------------------------------------------------------------------+
CGStdGraphObj *CChartObjectsControl::CreateNewGraphObj(const ENUM_OBJECT obj_type,const long chart_id,const string name)
  {
   CGStdGraphObj *obj=NULL;
   switch((int)obj_type)
     {
      //--- Lines
      case OBJ_VLINE             : return new CGStdVLineObj(chart_id,name);
      case OBJ_HLINE             : return new CGStdHLineObj(chart_id,name);
      case OBJ_TREND             : return new CGStdTrendObj(chart_id,name);
      case OBJ_TRENDBYANGLE      : return new CGStdTrendByAngleObj(chart_id,name);
      case OBJ_CYCLES            : return new CGStdCyclesObj(chart_id,name);
      case OBJ_ARROWED_LINE      : return new CGStdArrowedLineObj(chart_id,name);
      //--- Channels
      case OBJ_CHANNEL           : return new CGStdChannelObj(chart_id,name);
      case OBJ_STDDEVCHANNEL     : return new CGStdStdDevChannelObj(chart_id,name);
      case OBJ_REGRESSION        : return new CGStdRegressionObj(chart_id,name);
      case OBJ_PITCHFORK         : return new CGStdPitchforkObj(chart_id,name);
      //--- Gann
      case OBJ_GANNLINE          : return new CGStdGannLineObj(chart_id,name);
      case OBJ_GANNFAN           : return new CGStdGannFanObj(chart_id,name);
      case OBJ_GANNGRID          : return new CGStdGannGridObj(chart_id,name);
      //--- Fibo
      case OBJ_FIBO              : return new CGStdFiboObj(chart_id,name);
      case OBJ_FIBOTIMES         : return new CGStdFiboTimesObj(chart_id,name);
      case OBJ_FIBOFAN           : return new CGStdFiboFanObj(chart_id,name);
      case OBJ_FIBOARC           : return new CGStdFiboArcObj(chart_id,name);
      case OBJ_FIBOCHANNEL       : return new CGStdFiboChannelObj(chart_id,name);
      case OBJ_EXPANSION         : return new CGStdExpansionObj(chart_id,name);
      //--- Elliott
      case OBJ_ELLIOTWAVE5       : return new CGStdElliotWave5Obj(chart_id,name);
      case OBJ_ELLIOTWAVE3       : return new CGStdElliotWave3Obj(chart_id,name);
      //--- Shapes
      case OBJ_RECTANGLE         : return new CGStdRectangleObj(chart_id,name);
      case OBJ_TRIANGLE          : return new CGStdTriangleObj(chart_id,name);
      case OBJ_ELLIPSE           : return new CGStdEllipseObj(chart_id,name);
      //--- Arrows
      case OBJ_ARROW_THUMB_UP    : return new CGStdArrowThumbUpObj(chart_id,name);
      case OBJ_ARROW_THUMB_DOWN  : return new CGStdArrowThumbDownObj(chart_id,name);
      case OBJ_ARROW_UP          : return new CGStdArrowUpObj(chart_id,name);
      case OBJ_ARROW_DOWN        : return new CGStdArrowDownObj(chart_id,name);
      case OBJ_ARROW_STOP        : return new CGStdArrowStopObj(chart_id,name);
      case OBJ_ARROW_CHECK       : return new CGStdArrowCheckObj(chart_id,name);
      case OBJ_ARROW_LEFT_PRICE  : return new CGStdArrowLeftPriceObj(chart_id,name);
      case OBJ_ARROW_RIGHT_PRICE : return new CGStdArrowRightPriceObj(chart_id,name);
      case OBJ_ARROW_BUY         : return new CGStdArrowBuyObj(chart_id,name);
      case OBJ_ARROW_SELL        : return new CGStdArrowSellObj(chart_id,name);
      case OBJ_ARROW             : return new CGStdArrowObj(chart_id,name);
      //--- Graphical objects
      case OBJ_TEXT              : return new CGStdTextObj(chart_id,name);
      case OBJ_LABEL             : return new CGStdLabelObj(chart_id,name);
      case OBJ_BUTTON            : return new CGStdButtonObj(chart_id,name);
      case OBJ_CHART             : return new CGStdChartObj(chart_id,name);
      case OBJ_BITMAP            : return new CGStdBitmapObj(chart_id,name);
      case OBJ_BITMAP_LABEL      : return new CGStdBitmapLabelObj(chart_id,name);
      case OBJ_EDIT              : return new CGStdEditObj(chart_id,name);
      case OBJ_EVENT             : return new CGStdEventObj(chart_id,name);
      case OBJ_RECTANGLE_LABEL   : return new CGStdRectangleLabelObj(chart_id,name);

      default                    : return NULL;
     }
  }
//+------------------------------------------------------------------+

Die Methode, die den Namen des letzten grafischen Objekts, das dem Chart hinzugefügt wurde, zurückgibt, schreiben wir außerhalb des Klassenkörpers:

//+------------------------------------------------------------------+
//| CChartObjectsControl                                             |
//| Return the name of the last graphical object                     |
//| added to the chart (th object becomes selected)                  |
//+------------------------------------------------------------------+
string CChartObjectsControl::LastAddedGraphObjName(void)
  {
   int index=0;
   datetime time=0;
   for(int i=0;i<this.m_total_objects;i++)
     {
      string name=::ObjectName(this.ChartID(),i);
      datetime tm=(datetime)::ObjectGetInteger(this.ChartID(),name,OBJPROP_CREATETIME);
      if(tm>time)
        {
         time=tm;
         index=i;
        }
     }
   return ::ObjectName(this.ChartID(),index);
  }
//+------------------------------------------------------------------+

Hier werden einfach alle Chart-Objekte in einer Schleife nach dem grafischen Objekt mit der maximalen Erstellungszeit durchsucht, das Objekt anhand des gefundenen Indexes ausgewählt (der Index darf nicht maximal sein, da grafische Objekte in der Terminal-Liste nach Namen gespeichert werden) und sein Name zurückgegeben.

Da wir zwei Arten von grafischen Objekten haben, die die Bibliothek erstellen und verfolgen kann — die Standardobjekte und die mit der Klasse CCanvas erstellten, wird es zwei Listen in der Kollektion der grafischen Objekte geben — die Liste der Standard-Grafikobjekte und die Liste der Canvas-Objekte, da ihre Eigenschaften recht unterschiedlich sind und ich es für unangebracht halte, die Parameter in denselben Enumerationen der Objekteigenschaften zu speichern.

Wir deklarieren die neue Liste im priovaten Teil der Klasse — die Liste aller grafischen Elemente auf der Leinwand. Sie soll alle grafischen Objekte auf der Leinwand enthalten. Da ich bereits die Liste aller grafischen Objekte deklariert habe, werde ich sie verwenden, um grafische Standardobjekte zu speichern:

//+------------------------------------------------------------------+
//| Collection of graphical objects                                  |
//+------------------------------------------------------------------+
class CGraphElementsCollection : public CBaseObj
  {
private:
   CArrayObj         m_list_charts_control;     // List of chart management objects
   CListObj          m_list_all_canv_elm_obj;   // List of all graphical elements on canvas
   CListObj          m_list_all_graph_obj;      // List of all graphical objects
   bool              m_is_graph_obj_event;      // Event flag in the list of graphical objects
   int               m_total_objects;           // Number of graphical objects
   int               m_delta_graph_obj;         // Difference in the number of graphical objects compared to the previous check
   
//--- Return the flag indicating the graphical element object in the list of graphical objects
   bool              IsPresentGraphElmInList(const int id,const ENUM_GRAPH_ELEMENT_TYPE type_obj);
//--- Return the pointer to the object of managing objects of the specified chart
   CChartObjectsControl *GetChartObjectCtrlObj(const long chart_id);
//--- Create a new object of managing graphical objects of a specified chart and add it to the list
   CChartObjectsControl *CreateChartObjectCtrlObj(const long chart_id);
//--- Update the list of graphical objects by chart ID
   CChartObjectsControl *RefreshByChartID(const long chart_id);
//--- Return the first free ID of the graphical (1) object and (2) element on canvas
   long              GetFreeGraphObjID(void);
   long              GetFreeCanvElmID(void);
//--- Add a graphical object to the collection
   bool              AddGraphObjToCollection(const string source,CChartObjectsControl *obj_control);
   
public:

Die private Methode zur Aktualisierung der Liste der grafischen Objekte nach Chart-ID gibt jetzt den Zeiger auf das Objekt zur Verwaltung der grafischen Objekte zurück. Diesen benötigen wir für den Zugriff auf die Listen der neu erstellten Objekte.

Hier haben wir drei weitere deklarierte Methoden: die Methode, die die erste freie grafische Objekt-ID zurückgibt und das Element auf der Leinwand, und die Methode, die das grafische Objekt zur Kollektion hinzufügt.

Im öffentlichen Teil der Klasse ersetzen wir die Methode GetList() durch zwei Methoden — diejenige, die die Liste der Kollektion von grafischen Standardobjekten zurückgibt und eine weitere, die die Liste der Kollektion von grafischen Elementen auf der Leinwand zurückgibt:

public:
//--- Return itself
   CGraphElementsCollection *GetObject(void)                                                             { return &this;                        }
   //--- Return the full collection list of standard graphical objects "as is"
   CArrayObj        *GetListGraphObj(void)                                                               { return &this.m_list_all_graph_obj;   }
   //--- Return the full collection list of graphical elements on canvas "as is"
   CArrayObj        *GetListCanvElm(void)                                                                { return &this.m_list_all_canv_elm_obj;}
   //--- Return the list by selected (1) integer, (2) real and (3) string properties meeting the compared criterion
   CArrayObj        *GetList(ENUM_CANV_ELEMENT_PROP_INTEGER property,long value,ENUM_COMPARER_TYPE mode=EQUAL) { return CSelect::ByGraphCanvElementProperty(this.GetListCanvElm(),property,value,mode);  }
   CArrayObj        *GetList(ENUM_CANV_ELEMENT_PROP_DOUBLE property,double value,ENUM_COMPARER_TYPE mode=EQUAL){ return CSelect::ByGraphCanvElementProperty(this.GetListCanvElm(),property,value,mode);  }
   CArrayObj        *GetList(ENUM_CANV_ELEMENT_PROP_STRING property,string value,ENUM_COMPARER_TYPE mode=EQUAL){ return CSelect::ByGraphCanvElementProperty(this.GetListCanvElm(),property,value,mode);  }
   
   CArrayObj        *GetList(ENUM_GRAPH_OBJ_PROP_INTEGER property,long value,ENUM_COMPARER_TYPE mode=EQUAL)    { return CSelect::ByGraphicStdObjectProperty(this.GetListGraphObj(),property,value,mode); }
   CArrayObj        *GetList(ENUM_GRAPH_OBJ_PROP_DOUBLE property,double value,ENUM_COMPARER_TYPE mode=EQUAL)   { return CSelect::ByGraphicStdObjectProperty(this.GetListGraphObj(),property,value,mode); }
   CArrayObj        *GetList(ENUM_GRAPH_OBJ_PROP_STRING property,string value,ENUM_COMPARER_TYPE mode=EQUAL)   { return CSelect::ByGraphicStdObjectProperty(this.GetListGraphObj(),property,value,mode); }
   //--- Return the number of new graphical objects, (3) the flag of the occurred change in the list of graphical objects
   int               NewObjects(void)   const                                                            { return this.m_delta_graph_obj;       }
   bool              IsEvent(void) const                                                                 { return this.m_is_graph_obj_event;    }
   //--- Constructor
                     CGraphElementsCollection();
//--- Display the description of the object properties in the journal (full_prop=true - all properties, false - supported ones only - implemented in descendant classes)
   virtual void      Print(const bool full_prop=false,const bool dash=false);
//--- Display a short description of the object in the journal
   virtual void      PrintShort(const bool dash=false,const bool symbol=false);

//--- Create the list of chart management objects and return the number of charts
   int               CreateChartControlList(void);
//--- Update the list of (1) all graphical objects, (2) on the specified chart, fill in the data on the number of new ones and set the event flag
   void              Refresh(void);
   void              Refresh(const long chart_id);
  };
//+------------------------------------------------------------------+

Da die einzelne Klasse nun über zwei Kollektionen verfügt, erhalten die grafischen Standardobjekte die Methoden, die die Listen nach ausgewählten Objekteigenschaften zurückgeben.

Die private Methode, die die Liste der grafischen Objekte durch eine Chart-ID aktualisiert, gibt jetzt den Zeiger auf das Objekt zur Verwaltung der grafischen Objekte zurück:

//+------------------------------------------------------------------+
//| Update the list of graphical objects by chart ID                 |
//+------------------------------------------------------------------+
CChartObjectsControl *CGraphElementsCollection::RefreshByChartID(const long chart_id)
  {
//--- Get the pointer to the object for managing graphical objects
   CChartObjectsControl *obj=GetChartObjectCtrlObj(chart_id);
//--- If there is no such an object in the list, create a new one and add it to the list
   if(obj==NULL)
      obj=this.CreateChartObjectCtrlObj(chart_id);
//--- If the pointer to the object is not valid, leave the method
   if(obj==NULL)
      return NULL;
//--- Update the list of graphical objects on a specified chart
   obj.Refresh();
   return obj;
  }
//+------------------------------------------------------------------+

Die Methode, die die Liste aller grafischen Objekte aktualisiert, erhält nun die Listen der neu hinzugefügten Objekte von der grafischen Objektverwaltungsklasse und holt die Objekte aus der Liste und fügt sie der Liste der Kollektion hinzu vorausgesetzt, es gibt ein Ereignis:

//+------------------------------------------------------------------+
//| Update the list of all graphical objects                         |
//+------------------------------------------------------------------+
void CGraphElementsCollection::Refresh(void)
  {
//--- Declare variables to search for charts
   long chart_id=0;
   int i=0;
//--- In the loop by all open charts in the terminal (no more than 100)
   while(i<CHARTS_MAX)
     {
      //--- Get the chart ID
      chart_id=::ChartNext(chart_id);
      if(chart_id<0)
         break;
      //--- Get the pointer to the object for managing graphical objects
      //--- and update the list of graphical objects by chart ID
      CChartObjectsControl *obj_ctrl=this.RefreshByChartID(chart_id);
      //--- If failed to get the pointer, move on to the next chart
      if(obj_ctrl==NULL)
         continue;
      //--- If the number of objects on the chart changes
      if(obj_ctrl.IsEvent())
        {
         //--- If a graphical object is added to the chart
         if(obj_ctrl.Delta()>0)
           {
            //--- Get the list of added graphical objects and move them to the collection list
            //--- (if failed to move the object to the collection, move on to the next object)
            if(!AddGraphObjToCollection(DFUN_ERR_LINE,obj_ctrl))
               continue;
           }
         //--- If the graphical object has been removed
         else if(obj_ctrl.Delta()<0)
           {
            
           }
         //--- otherwise
         else
           {
            
           }
        }
      //--- Increase the loop index
      i++;
     }
  }
//+------------------------------------------------------------------+

Die Methodenlogik ist in den Codekommentaren kurz beschrieben und sollte keine Schwierigkeiten bereiten.

Die Methoden, die die erste freie ID des grafischen Objekts und das grafische Element auf der Leinwand zurückgibt:

//+------------------------------------------------------------------+
//| Return the first free graphical object ID                        |
//+------------------------------------------------------------------+
long CGraphElementsCollection::GetFreeGraphObjID(void)
  {
   int index=CSelect::FindGraphicStdObjectMax(this.GetListGraphObj(),GRAPH_OBJ_PROP_ID);
   CGStdGraphObj *obj=this.m_list_all_graph_obj.At(index);
   return(obj!=NULL ? obj.ObjectID()+1 : 1);
  }
//+------------------------------------------------------------------+
//| Return the first free ID                                         |
//| of the graphical element on canvas                               |
//+------------------------------------------------------------------+
long CGraphElementsCollection::GetFreeCanvElmID(void)
  {
   int index=CSelect::FindGraphCanvElementMax(this.GetListCanvElm(),CANV_ELEMENT_PROP_ID);
   CGCnvElement *obj=this.m_list_all_canv_elm_obj.At(index);
   return(obj!=NULL ? obj.ID()+1 : 1);
  }
//+------------------------------------------------------------------+

Hier erhalten wir den Objektindex mit der höchsten ID, holen das Objekt mit der gleichen ID aus der Liste durch die gefundene ID und geben seinen ID-Wert+1 zurück. Wenn das Objekt in der Liste nicht gefunden wird, wird 1 zurückgegeben, da sich keine Objekte in der Kollektion befinden. Die ID 1 wird dem ersten Objekt zugewiesen.

Die Methode, die das grafische Objekt zur Kollektion hinzufügt:

//+------------------------------------------------------------------+
//| Add a graphical object to the collection                         |
//+------------------------------------------------------------------+
bool CGraphElementsCollection::AddGraphObjToCollection(const string source,CChartObjectsControl *obj_control)
  {
   //--- Get the list of the last added graphical objects from the class for managing graphical objects
   CArrayObj *list=obj_control.GetListNewAddedObj();
   //--- If failed to obtain the list, inform of that and return 'false'
   if(list==NULL)
     {
      CMessage::ToLog(DFUN_ERR_LINE,MSG_GRAPH_OBJ_FAILED_GET_ADDED_OBJ_LIST);
      return false;
     }
   //--- If the list is empty, return 'false'
   if(list.Total()==0)
      return false;
   //--- Declare the variable for storing the result
   bool res=true;
   //--- In the loop by the list of newly added standard graphical objects,
   for(int i=0;i<list.Total();i++)
     {
      //--- retrieve the next object from the list and
      CGStdGraphObj *obj=list.Detach(i);
      //--- if failed to get the object, inform of that, add 'false' to the resulting variable and move on to the next one
      if(obj==NULL)
        {
         CMessage::ToLog(source,MSG_GRAPH_OBJ_FAILED_DETACH_OBJ_FROM_LIST);
         res &=false;
         continue;
        }
      //--- if failed to add the object to the collection list, inform of that,
      //--- remove the object, add 'false' to the resulting variable and move on to the next one
      if(!this.m_list_all_graph_obj.Add(obj))
        {
         CMessage::ToLog(source,MSG_LIB_SYS_FAILED_OBJ_ADD_TO_LIST);
         delete obj;
         res &=false;
         continue;
        }
      //--- The object has been successfully retrieved from the list of newly added graphical objects and introduced into the collection -
      //--- find the next free object ID, write it to the property and display the short object description in the journal
      else
        {
         obj.SetObjectID(this.GetFreeGraphObjID());
         obj.PrintShort();
        }
     }
   //--- Return the result of adding the object to the collection
   return res;
  }
//+------------------------------------------------------------------+

Die Logik der Methode ist in den Code-Kommentaren ausführlich beschrieben und bedarf keiner weiteren Erläuterung. Wenn Sie Fragen haben, können Sie diese gerne im Kommentarteil unten stellen. Die Kurzbeschreibung eines zur Kollektion hinzugefügten Objekts soll zu Testzwecken vorübergehend im Journal angezeigt werden.

Damit ist die Erstellung der Funktionalität zum Hinzufügen von grafischen Standardobjekten in die Kollektion abgeschlossen.

Test

Für den Test verwenden wir den EA aus dem vorigen Artikel und speichern ihn in \MQL5\Experts\TestDoEasy\Part85\ als TestDoEasyPart85.mq5. Es gibt keine Änderungen im EA.
Kompilieren Sie einfach den EA, starten Sie ihn auf dem Chart und fügen Sie verschiedene grafische Objekte zu verschiedenen Charts hinzu. Kurze Journalmeldungen über die Erstellung werden im Journal angezeigt:

Es ist wahrscheinlich, dass die Daten nicht ausreichen, um ein neu hinzugefügtes grafisches Objekt kurz zu beschreiben.
Später werde ich die Informationen, die in den Kurzbeschreibungen der verschiedenen grafischen Objekte angezeigt werden, leicht erweitern.

Was kommt als Nächstes?

Im nächsten Artikel werde ich die Entwicklung der Kollektion von grafischen Objekten und Objekten, die grafische Standardobjekte beschreiben, fortsetzen.

Alle Dateien der aktuellen Version der Bibliothek sind unten zusammen mit der Test-EA-Datei für MQL5 zum Testen und Herunterladen angehängt.

Stellen Sie Ihre Fragen, Kommentare und Vorschläge in den Kommentaren.

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*Frühere Artikel dieser Serie:

Übersetzt aus dem Russischen von MetaQuotes Ltd.
Originalartikel: https://www.mql5.com/ru/articles/9964

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