DoEasy 函数库中的图形（第八十四部分）：抽象标准图形对象的衍生后代类

MetaTrader 5 — 示例 | 3 十一月 2021, 13:32

1 284

Artyom Trishkin

内容

概述

在上一篇文章中，我已创建了终端抽象标准图形对象类。该类对象定义了所有图形对象通用的属性。因此，它只是某个种类的图形对象。为了阐明它与真实图形对象的从属关系，我们需要在衍生后代对象类中设置该图形对象特定的固有属性。与之相比，对某些其它属性的访问应该受到限制，因为它们不是该特定图形对象的参数，而只是存在于抽象对象属性集合当中。

几乎所有函数库对象都接受这种构建对象的概念。图形对象类也不例外。
为了指定对象与图形对象组的从属关系，我们取用来自终端的一套标准图形对象组，并往抽象图形对象里添加一个新属性 — 由衍生后代类定义的图形对象所属的组：

在本文中，我将创建属于曲线（Lines）、通道（Channels）、江恩（Gann）、斐波那契（Fibo）和埃洛特（Elliott）的对象类组。其余的对象组将在下一篇文章中介绍。隐于背后的原因是，这些对象的所有属性并非都可用现有抽象图形对象功能来描述。因此，在此我将利用上一篇文章中已创建类的功能来实现。在下一篇文章中，我将添加读取和写入所有对象属性的能力，以及实现其余图形对象组的类。

举例来说，它们包括图形对象锚点。抽象图形对象中属性存储在对象属性数组中，其中的每个数组字段描述单个属性，例如时间。默认情况下，时间取自图形对象的第一个锚点。依据属性修饰符指定必要的锚点索引，可由 ObjectGetInteger() 函数中获取所有其它锚点。我目前正在研究的类只能存储一个值。举例来说，我们应该创建一个相同类型属性的数组，并用属性修饰符相同的方式访问所需的属性。
由于文章篇幅有限，我把开发划分为几个阶段。

改进库类

在 \MQL5\Include\DoEasy\Defines.mqh中，添加标准图形对象组的枚举：

//+------------------------------------------------------------------+
//| The list of graphical element types                              |
//+------------------------------------------------------------------+
enum ENUM_GRAPH_ELEMENT_TYPE
  {
   GRAPH_ELEMENT_TYPE_STANDART,                       // 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                                           |
//+------------------------------------------------------------------+
enum ENUM_GRAPH_OBJ_GROUP
  {
   GRAPH_OBJ_GROUP_LINES,                             // Lines
   GRAPH_OBJ_GROUP_CHANNELS,                          // Channels
   GRAPH_OBJ_GROUP_GANN,                              // Gann
   GRAPH_OBJ_GROUP_FIBO,                              // Fibo
   GRAPH_OBJ_GROUP_ELLIOTT,                           // Elliott
   GRAPH_OBJ_GROUP_SHAPES,                            // Shapes
   GRAPH_OBJ_GROUP_ARROWS,                            // Arrows
   GRAPH_OBJ_GROUP_GRAPHICAL,                         // Graphical objects
  };
//+------------------------------------------------------------------+
//| Integer properties of a standard graphical object                |
//+------------------------------------------------------------------+

往对象的整数型属性列表中添加一个新属性，并将整数型属性的数量加 1（从 51 改为 52）：

//+------------------------------------------------------------------+
//| Integer properties of a standard graphical object                |
//+------------------------------------------------------------------+
enum ENUM_GRAPH_OBJ_PROP_INTEGER
  {
   //--- Additional properties
   GRAPH_OBJ_PROP_ID = 0,                             // Object ID
   GRAPH_OBJ_PROP_TYPE,                               // Graphical object type (ENUM_OBJECT)
   GRAPH_OBJ_PROP_ELEMENT_TYPE,                       // Graphical element type (ENUM_GRAPH_ELEMENT_TYPE)
   GRAPH_OBJ_PROP_GROUP,                              // Graphical object group (ENUM_GRAPH_OBJ_GROUP)
   GRAPH_OBJ_PROP_BELONG,                             // Graphical object affiliation
   GRAPH_OBJ_PROP_CHART_ID,                           // Chart ID
   GRAPH_OBJ_PROP_WND_NUM,                            // Chart subwindow index
   GRAPH_OBJ_PROP_NUM,                                // Object index in the list
   //--- Common properties of all graphical objects
   GRAPH_OBJ_PROP_CREATETIME,                         // Object creation time
   GRAPH_OBJ_PROP_TIMEFRAMES,                         // Object visibility on timeframes
   GRAPH_OBJ_PROP_BACK,                               // Background object
   GRAPH_OBJ_PROP_ZORDER,                             // Priority of a graphical object for receiving the event of clicking on a chart
   GRAPH_OBJ_PROP_HIDDEN,                             // Disable displaying the name of a graphical object in the terminal object list
   GRAPH_OBJ_PROP_SELECTED,                           // Object selection
   GRAPH_OBJ_PROP_SELECTABLE,                         // Object availability
//--- 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_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
//+------------------------------------------------------------------+

把依据新属性排序添加到可能的图形对象排序标准列表当中：

//+------------------------------------------------------------------+
//| Possible sorting criteria of graphical objects                   |
//+------------------------------------------------------------------+
#define FIRST_GRAPH_OBJ_DBL_PROP  (GRAPH_OBJ_PROP_INTEGER_TOTAL-GRAPH_OBJ_PROP_INTEGER_SKIP)
#define FIRST_GRAPH_OBJ_STR_PROP  (GRAPH_OBJ_PROP_INTEGER_TOTAL-GRAPH_OBJ_PROP_INTEGER_SKIP+GRAPH_OBJ_PROP_DOUBLE_TOTAL-GRAPH_OBJ_PROP_DOUBLE_SKIP)
enum ENUM_SORT_GRAPH_OBJ_MODE
  {
//--- Sort by integer properties
   SORT_BY_GRAPH_OBJ_ID = 0,                             // Sort by object ID
   SORT_BY_GRAPH_OBJ_TYPE,                               // Sort by object type
   SORT_BY_GRAPH_OBJ_ELEMENT_TYPE,                       // Sort by graphical element type
   SORT_BY_GRAPH_OBJ_GROUP,                              // Sort by a graphical object group
   SORT_BY_GRAPH_OBJ_BELONG,                             //  Sort by a graphical element affiliation
   SORT_BY_GRAPH_OBJ_CHART_ID,                           // Sort by chart ID
   SORT_BY_GRAPH_OBJ_WND_NUM,                            // Sort by chart subwindow index
   SORT_BY_GRAPH_OBJ_NUM,                                // Sort by object index in the list
   SORT_BY_GRAPH_OBJ_CREATETIME,                         // Sort by object creation time
   SORT_BY_GRAPH_OBJ_TIMEFRAMES,                         // Sort by object visibility on timeframes
   SORT_BY_GRAPH_OBJ_BACK,                               // Sort by the "Background object" property
   SORT_BY_GRAPH_OBJ_ZORDER,                             // Sort by the priority of a graphical object for receiving the event of clicking on a chart
   SORT_BY_GRAPH_OBJ_HIDDEN,                             // Sort by a disabling display of the name of a graphical object in the terminal object list
   SORT_BY_GRAPH_OBJ_SELECTED,                           // Sort by the "Object selection" property
   SORT_BY_GRAPH_OBJ_SELECTABLE,                         // Sort by the "Object availability" property
   SORT_BY_GRAPH_OBJ_TIME,                               // Sort by time coordinate
   SORT_BY_GRAPH_OBJ_COLOR,                              // Sort by color
   SORT_BY_GRAPH_OBJ_STYLE,                              // Sort by style
   SORT_BY_GRAPH_OBJ_WIDTH,                              // Sort by line width
   SORT_BY_GRAPH_OBJ_FILL,                               // Sort by the "Object color filling" property
   SORT_BY_GRAPH_OBJ_READONLY,                           // Sort by the ability to edit text in the Edit object
   SORT_BY_GRAPH_OBJ_LEVELS,                             // Sort by number of levels
   SORT_BY_GRAPH_OBJ_LEVELCOLOR,                         // Sort by line level color
   SORT_BY_GRAPH_OBJ_LEVELSTYLE,                         // Sort by line level style
   SORT_BY_GRAPH_OBJ_LEVELWIDTH,                         // Sort by line level width
   SORT_BY_GRAPH_OBJ_ALIGN,                              // Sort by the "Horizontal text alignment in the Entry field" property
   SORT_BY_GRAPH_OBJ_FONTSIZE,                           // Sort by font size
   SORT_BY_GRAPH_OBJ_RAY_LEFT,                           // Sort by "Ray goes to the left" property
   SORT_BY_GRAPH_OBJ_RAY_RIGHT,                          // Sort by "Ray goes to the right" property
   SORT_BY_GRAPH_OBJ_RAY,                                // Sort by the "Vertical line goes through all windows of a chart" property
   SORT_BY_GRAPH_OBJ_ELLIPSE,                            // Sort by the "Display the full ellipse of the Fibonacci Arc object" property
   SORT_BY_GRAPH_OBJ_ARROWCODE,                          // Sort by an arrow code for the Arrow object
   SORT_BY_GRAPH_OBJ_ANCHOR,                             // Sort by the position of a binding point of a graphical object
   SORT_BY_GRAPH_OBJ_XDISTANCE,                          // Sort by a distance from the base corner along the X axis in pixels
   SORT_BY_GRAPH_OBJ_YDISTANCE,                          // Sort by a distance from the base corner along the Y axis in pixels
   SORT_BY_GRAPH_OBJ_DIRECTION,                          // Sort by the "Gann object trend" property
   SORT_BY_GRAPH_OBJ_DEGREE,                             // Sort by the "Elliott wave marking level" property
   SORT_BY_GRAPH_OBJ_DRAWLINES,                          // Sort by the "Display lines for Elliott wave marking" property
   SORT_BY_GRAPH_OBJ_STATE,                              // Sort by button state (pressed/released)
   SORT_BY_GRAPH_OBJ_OBJ_CHART_ID,                       // Sort by Chart object ID.
   SORT_BY_GRAPH_OBJ_CHART_OBJ_PERIOD,                   // Sort by Chart object period
   SORT_BY_GRAPH_OBJ_CHART_OBJ_DATE_SCALE,               // Sort by time scale display flag for the Chart object
   SORT_BY_GRAPH_OBJ_CHART_OBJ_PRICE_SCALE,              // Sort by price scale display flag for the Chart object
   SORT_BY_GRAPH_OBJ_CHART_OBJ_CHART_SCALE,              // Sort by Chart object scale
   SORT_BY_GRAPH_OBJ_XSIZE,                              // Sort by Object width along the X axis in pixels
   SORT_BY_GRAPH_OBJ_YSIZE,                              // Sort by object height along the Y axis in pixels
   SORT_BY_GRAPH_OBJ_XOFFSET,                            // Sort by X coordinate of the upper-left corner of the visibility area
   SORT_BY_GRAPH_OBJ_YOFFSET,                            // Sort by Y coordinate of the upper-left corner of the visibility area
   SORT_BY_GRAPH_OBJ_BGCOLOR,                            // Sort by background color for OBJ_EDIT, OBJ_BUTTON and OBJ_RECTANGLE_LABEL
   SORT_BY_GRAPH_OBJ_CORNER,                             // Sort by chart corner for binding a graphical object
   SORT_BY_GRAPH_OBJ_BORDER_TYPE,                        // Sort by border type for the "Rectangle border" object
   SORT_BY_GRAPH_OBJ_BORDER_COLOR,                       // Sort by frame color for the OBJ_EDIT and OBJ_BUTTON objects
//--- Sort by real properties
   SORT_BY_GRAPH_OBJ_PRICE = FIRST_GRAPH_OBJ_DBL_PROP,   // Sort by price coordinate
   SORT_BY_GRAPH_OBJ_LEVELVALUE,                         // Sort by level value
   SORT_BY_GRAPH_OBJ_SCALE,                              // Sort by scale (property of Gann objects and Fibonacci Arcs objects)
   SORT_BY_GRAPH_OBJ_ANGLE,                              // Sort by angle
   SORT_BY_GRAPH_OBJ_DEVIATION,                          // Sort by a deviation of the standard deviation channel
//--- Sort by string properties
   SORT_BY_GRAPH_OBJ_NAME = FIRST_GRAPH_OBJ_STR_PROP,    // Sort by object name
   SORT_BY_GRAPH_OBJ_TEXT,                               // Sort by object description
   SORT_BY_GRAPH_OBJ_TOOLTIP,                            // Sort by tooltip text
   SORT_BY_GRAPH_OBJ_LEVELTEXT,                          // Sort by level description
   SORT_BY_GRAPH_OBJ_FONT,                               // Sort by font
   SORT_BY_GRAPH_OBJ_BMPFILE,                            // Sort by BMP file name for the "Bitmap Level" object
   SORT_BY_GRAPH_OBJ_CHART_OBJ_SYMBOL,                   // Sort by Chart object period symbol
  };
//+------------------------------------------------------------------+

在 \MQL5\Include\DoEasy\Data.mqh 中，添加函数库新消息索引：

//+------------------------------------------------------------------+
//| List of the library's text message indices                       |
//+------------------------------------------------------------------+
enum ENUM_MESSAGES_LIB
  {
   MSG_LIB_PARAMS_LIST_BEG=ERR_USER_ERROR_FIRST,      // Beginning of the parameter list
   MSG_LIB_PARAMS_LIST_END,                           // End of the parameter list
   MSG_LIB_PROP_NOT_SUPPORTED,                        // Property not supported
   MSG_LIB_PROP_NOT_SUPPORTED_MQL4,                   // Property not supported in MQL4
   MSG_LIB_PROP_NOT_SUPPORTED_MT5_LESS_2155,          // Property not supported in MetaTrader 5 versions lower than 2155
   MSG_LIB_PROP_NOT_SUPPORTED_POSITION,               // Property not supported for position
   MSG_LIB_PROP_NOT_SUPPORTED_PENDING,                // Property not supported for pending order
   MSG_LIB_PROP_NOT_SUPPORTED_MARKET,                 // Property not supported for market order
   MSG_LIB_PROP_NOT_SUPPORTED_MARKET_HIST,            // Property not supported for historical market order
   MSG_LIB_PROP_NOT_SET,                              // Value not set
   MSG_LIB_PROP_EMPTY,                                // Not set
   MSG_LIB_PROP_AUTO,                                 // Formed by the terminal
   MSG_LIB_PROP_AS_IN_ORDER,                          // According to the order expiration mode

...

   MSG_LIB_TEXT_FAILED_ADD_TO_LIST,                   // failed to add to list
   MSG_LIB_TEXT_TIME_UNTIL_THE_END_DAY,               // Order lifetime till the end of the current day to be used
   MSG_LIB_TEXT_OBJ_NO_PERIODS,                       // Not shown on any timeframe
   MSG_LIB_TEXT_OBJ_ALL_PERIODS,                      // Drawn on all timeframes
   
   MSG_LIB_TEXT_JANUARY,                              // January
   MSG_LIB_TEXT_FEBRUARY,                             // February

...

   MSG_GRAPH_OBJ_BELONG_PROGRAM,                      // Graphical object belongs to a program
   MSG_GRAPH_OBJ_BELONG_NO_PROGRAM,                   // Graphical object does not belong to a program
//---
   MSG_GRAPH_STD_OBJ_ANY,                             // Abstract graphical object
   MSG_GRAPH_STD_OBJ_VLINE,                           // Vertical line
   MSG_GRAPH_STD_OBJ_HLINE,                           // Horizontal line

...

   MSG_GRAPH_OBJ_PROP_BMPFILE,                        // BMP file name for the "Bitmap Level" object
   MSG_GRAPH_OBJ_PROP_SYMBOL,                         // Chart object symbol
   
   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)
   
  };
//+------------------------------------------------------------------+

以及与新添加的索引相对应的文本消息：

string messages_library[][TOTAL_LANG]=
  {
   {"Начало списка параметров","The beginning of the parameter list"},
   {"Конец списка параметров","End of parameter list"},
   {"Свойство не поддерживается","Property not supported"},
   {"Свойство не поддерживается в MQL4","Property not supported in MQL4"},
   {"Свойство не поддерживается в MetaTrader5 версии ниже 2155","The property is not supported in MetaTrader5, build lower than 2155"},
   {"Свойство не поддерживается у позиции","Property not supported for position"},
   {"Свойство не поддерживается у отложенного ордера","The property is not supported for a pending order"},
   {"Свойство не поддерживается у маркет-ордера","The property is not supported for a market-order"},
   {"Свойство не поддерживается у исторического маркет-ордера","The property is not supported for a history market-order"},
   {"Значение не задано","Value not set"},
   {"Отсутствует","Not set"},
   {"Формируется терминалом","Formed by the terminal"},
   {"В соответствии с режимом истечения ордера","In accordance with the order expiration mode"},

...

   {"не удалось добавить в список","failed to add to list"},
   {"Будет использоваться время действия ордера до конца текущего дня","Order validity time until the end of the current day will be used"},
   {"Не показывается ни на одном таймфрейме","Not shown on any timeframe"},
   {"Рисуется на всех таймфреймах","Drawn on all timeframes"},

   {"Январь","January"},
   {"Февраль","February"},

...

   {"Графический объект принадлежит программе","The graphic object belongs to the program"},
   {"Графический объект не принадлежит программе","The graphic object does not belong to the program"},
   
   {"Абстрактный графический объект","Abstract graphic object"},
   {"Вертикальная линия","Vertical Line"},
   {"Горизонтальная линия","Horizontal Line"},

...

   {"Имя BMP-файла","BMP-file name"},
   {"Символ графика","Chart Symbol"},
   
   {"Группа графического объекта","Graphic object group"},
   {"Линии","Lines"},
   {"Каналы","Channels"},
   {"Ганн","Gann"},
   {"Фибоначчи","Fibonacci"},
   {"Эллиотт","Elliott"},
   {"Фигуры","Shapes"},
   {"Стрелки","Arrows"},
   {"Графические объекты","Graphical"},
   
   {"(Координата щелчка по графику)","(Chart click coordinate)"},

  };
//+---------------------------------------------------------------------+

图形对象具有 OBJPROP_TIMEFRAMES 整数型属性，可令我们在任何时间帧内设置和接收对象图像。显示对象的图表时间帧可由对象可见性标志组合来定义或设置。

为了显示图形对象的可见性标志集合的描述，在服务函数文件 \MQL5\Include\DoEasy\Services\DELib.mqh 中，添加返回启用/ 请求时间帧内的禁用标志状态：

//+------------------------------------------------------------------+
//| Return the flag of displaying the graphical                      |
//| object on a specified chart timeframe                            |
//+------------------------------------------------------------------+
bool IsVisibleOnTimeframe(const ENUM_TIMEFRAMES timeframe,const int flags)
  {
   if(flags==OBJ_ALL_PERIODS)
      return true;
   if(flags==OBJ_NO_PERIODS)
      return false;
   int flag=0;
   switch((int)timeframe)
     {
      case PERIOD_M1    :  flag=0x00000001;  break;
      case PERIOD_M2    :  flag=0x00000002;  break;
      case PERIOD_M3    :  flag=0x00000004;  break;
      case PERIOD_M4    :  flag=0x00000008;  break;
      case PERIOD_M5    :  flag=0x00000010;  break;
      case PERIOD_M6    :  flag=0x00000020;  break;
      case PERIOD_M10   :  flag=0x00000040;  break;
      case PERIOD_M12   :  flag=0x00000080;  break;
      case PERIOD_M15   :  flag=0x00000100;  break;
      case PERIOD_M20   :  flag=0x00000200;  break;
      case PERIOD_M30   :  flag=0x00000400;  break;
      case PERIOD_H1    :  flag=0x00000800;  break;
      case PERIOD_H2    :  flag=0x00001000;  break;
      case PERIOD_H3    :  flag=0x00002000;  break;
      case PERIOD_H4    :  flag=0x00004000;  break;
      case PERIOD_H6    :  flag=0x00008000;  break;
      case PERIOD_H8    :  flag=0x00010000;  break;
      case PERIOD_H12   :  flag=0x00020000;  break;
      case PERIOD_D1    :  flag=0x00040000;  break;
      case PERIOD_W1    :  flag=0x00080000;  break;
      case PERIOD_MN1   :  flag=0x00100000;  break;
      default:
        break;
     }
   return((flags & flag)==flag);
  }
//+------------------------------------------------------------------+

如果传递给函数的值具有所有时间帧的标志（OBJ_ALL_PERIODS），则该对象在所有时间帧上都清晰可见，我们无需检查标志立即返回 true 。
如果所有时间帧的所有标志被禁用 (OBJ_NO_PERIODS)，则对象在所有时间帧内都被彻底隐藏。立即返回 false。
接下来，根据传递给函数的时间帧值，将相应的值分配给 flags 变量的某个要与之进行比较的 flag 变量位。接收到位掩码后，将其值与在 'flags' 变量上施加位掩码时获得的值进行比较，并返回按位比较的结果。仅当 'flags' 变量带有掩码的位检查成功时，该函数才返回 true。

我已经定义了图形对象组。现在我们将这个新值添加到图形对象属性当中。

在所有函数库图形对象的基准对象文件 \MQL5\Include\DoEasy\Objects\Graph\GBaseObj.mqh（在其受保护的部分）中，声明变量来存储图形对象组：

//+------------------------------------------------------------------+
//| Class of the base object of the library graphical objects        |
//+------------------------------------------------------------------+
class CGBaseObj : public CObject
  {
private:

protected:
   ENUM_OBJECT       m_type_graph_obj;                   // Graphical object type
   ENUM_GRAPH_ELEMENT_TYPE m_type_element;               // Graphical element type
   ENUM_GRAPH_OBJ_BELONG m_belong;                       // Program affiliation
   ENUM_GRAPH_OBJ_GROUP m_group;                         // Graphical object group
   string            m_name_prefix;                      // Object name prefix
   string            m_name;                             // Object name
   long              m_chart_id;                         // Object chart ID
   long              m_object_id;                        // Object ID
   long              m_zorder;                           // Priority of a graphical object for receiving the mouse click event
   int               m_subwindow;                        // Subwindow index
   int               m_shift_y;                          // Subwindow Y coordinate shift
   int               m_type;                             // Object type
   int               m_timeframes_visible;               // Visibility of an object on timeframes (a set of flags)
   int               m_digits;                           // Number of decimal places in a quote
   bool              m_visible;                          // Object visibility
   bool              m_back;                             // "Background object" flag
   bool              m_selected;                         // "Object selection" flag
   bool              m_selectable;                       // "Object availability" flag
   bool              m_hidden;                           // "Disable displaying the name of a graphical object in the terminal object list" flag
   datetime          m_create_time;                      // Object creation time

在类的公开部分，加入图形对象组的设置方法：

public:
//--- Set the values of the class variables
   void              SetObjectID(const long value)             { this.m_object_id=value;           }
   void              SetBelong(const ENUM_GRAPH_OBJ_BELONG belong){ this.m_belong=belong;          }
   void              SetTypeGraphObject(const ENUM_OBJECT obj) { this.m_type_graph_obj=obj;        }
   void              SetTypeElement(const ENUM_GRAPH_ELEMENT_TYPE type) { this.m_type_element=type;}
   void              SetGroup(const ENUM_GRAPH_OBJ_GROUP group){ this.m_group=group;               }
   void              SetName(const string name)                { this.m_name=name;                 }
   void              SetChartID(const long chart_id)           { this.m_chart_id=chart_id;         }
   void              SetDigits(const int value)                { this.m_digits=value;              }

和返回组的方法：

//--- Return the values of class variables
   ENUM_GRAPH_ELEMENT_TYPE TypeGraphElement(void)        const { return this.m_type_element;       }
   ENUM_GRAPH_OBJ_BELONG   Belong(void)                  const { return this.m_belong;             }
   ENUM_GRAPH_OBJ_GROUP    Group(void)                   const { return this.m_group;              }
   ENUM_OBJECT       TypeGraphObject(void)               const { return this.m_type_graph_obj;     }
   datetime          TimeCreate(void)                    const { return this.m_create_time;        }
   string            Name(void)                          const { return this.m_name;               }
   long              ChartID(void)                       const { return this.m_chart_id;           }
   long              ObjectID(void)                      const { return this.m_object_id;          }
   long              Zorder(void)                        const { return this.m_zorder;             }
   int               SubWindow(void)                     const { return this.m_subwindow;          }
   int               ShiftY(void)                        const { return this.m_shift_y;            }
   int               VisibleOnTimeframes(void)           const { return this.m_timeframes_visible; }
   int               Digits(void)                        const { return this.m_digits;             }
   bool              IsBack(void)                        const { return this.m_back;               }
   bool              IsSelected(void)                    const { return this.m_selected;           }
   bool              IsSelectable(void)                  const { return this.m_selectable;         }
   bool              IsHidden(void)                      const { return this.m_hidden;             }
   bool              IsVisible(void)                     const { return this.m_visible;            }

先前实现的在指定的时间帧内返回对象可见性标志的方法，已从类的公开部分中删除：

//--- Return the object visibility flag on a specified timeframe
   bool              IsVisibleOnTimeframe(const ENUM_TIMEFRAMES timeframe) const
                       { return((this.m_timeframes_visible & timeframe)==timeframe);               }
//--- Return the graphical object type (ENUM_OBJECT) calculated from the object type (ENUM_OBJECT_DE_TYPE) passed to the method
   ENUM_OBJECT       GraphObjectType(const ENUM_OBJECT_DE_TYPE obj_type) const
                       { 
                        return ENUM_OBJECT(obj_type-OBJECT_DE_TYPE_GSTD_OBJ-1);
                       }

首先，它不并非最优。其次，我已经实现了上面的服务函数，作用是一样的。

接着，声明返回图形对象组描述的方法：

//--- Return the graphical object type (ENUM_OBJECT) calculated from the object type (ENUM_OBJECT_DE_TYPE) passed to the method
   ENUM_OBJECT       GraphObjectType(const ENUM_OBJECT_DE_TYPE obj_type) const
                       { 
                        return ENUM_OBJECT(obj_type-OBJECT_DE_TYPE_GSTD_OBJ-1);
                       }
   
//--- Return the description of the type of the graphical object (1) type, (2) element, (3) affiliation and (4) group
string               TypeGraphObjectDescription(void);
string               TypeElementDescription(void);
string               BelongDescription(void);
string               GroupDescription(void);

//--- The virtual method returning the object type
   virtual int       Type(void)                          const { return this.m_type;               }

//--- Constructor/destructor
                     CGBaseObj();
                    ~CGBaseObj(){;}
  };
//+------------------------------------------------------------------+

我们在类主体之外编写其实现：

//+------------------------------------------------------------------+
//| Return the description of the graphical object group             |
//+------------------------------------------------------------------+
string CGBaseObj::GroupDescription(void)
  {
   return
     (
      this.Group()==GRAPH_OBJ_GROUP_LINES    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_LINES)     :
      this.Group()==GRAPH_OBJ_GROUP_CHANNELS ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_CHANNELS)  :
      this.Group()==GRAPH_OBJ_GROUP_GANN     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_GANN)      :
      this.Group()==GRAPH_OBJ_GROUP_FIBO     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_FIBO)      :
      this.Group()==GRAPH_OBJ_GROUP_ELLIOTT  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_ELLIOTT)   :
      this.Group()==GRAPH_OBJ_GROUP_SHAPES   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_SHAPES)    :
      this.Group()==GRAPH_OBJ_GROUP_ARROWS   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_ARROWS)    :
      this.Group()==GRAPH_OBJ_GROUP_GRAPHICAL?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP_GRAPHICAL) :
      "Unknown"
     );
  }
//+------------------------------------------------------------------+

这里的一切都很简单。根据 m_group 中设置的数值，以及 Group() 方法返回的值，返回相应的文本消息。

我们来改进 \MQL5\Include\DoEasy\Objects\Graph\Standart\GStdGraphObj.mqh 中的抽象图形对象类。

鉴于某些对象属性因对象不同而异，因此实现返回这些属性的方法也应该有所区别。此种属性应有对应的虚拟方法，并抽象图形对象类中拥有通用实现。对于衍生后代对象，此实现需在衍生后代类中重新定义。

在类的公开部分，添加三个虚方法，返回图形对象类型描述的方法，以及返回对象第一个锚点的价格和时间的方法：

//--- 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);
//--- Return the object short name
   virtual string    Header(const bool symbol=false);
//--- Return the description of the graphical object (1) type (ENUM_OBJECT), price coordinate (2) and (3) time
   virtual string    TypeDescription(void)                                    const { return CMessage::Text(MSG_GRAPH_STD_OBJ_ANY);          }
   virtual string    PriceDescription(void)  const { return ::DoubleToString(this.GetProperty(GRAPH_OBJ_PROP_PRICE),this.m_digits); }
   virtual string    TimeDescription(void)   const { return ::TimeToString(this.GetProperty(GRAPH_OBJ_PROP_TIME),TIME_DATE|TIME_MINUTES);    }
   
//--- Compare CGStdGraphObj objects by a specified property (to sort the list by an object property)
   virtual int       Compare(const CObject *node,const int mode=0) const;
//--- Compare CGStdGraphObj objects with each other by all properties (to search for equal objects)
   bool              IsEqual(CGStdGraphObj* compared_req) const;
   
//--- Default constructor

在衍生后代对象中重新定义方法，是为了在衍生后代对象描述的某个图形对象上显示数据。

在受保护的参数型类构造函数中，添加一个新的形参 — 标准图形对象组，而默认构造函数立即接收 -1 的组值：

//--- Default constructor
                     CGStdGraphObj(){ this.m_type=OBJECT_DE_TYPE_GSTD_OBJ; m_group=WRONG_VALUE; }
protected:

//--- Protected parametric constructor
                     CGStdGraphObj(const ENUM_OBJECT_DE_TYPE obj_type,
                                   const ENUM_GRAPH_OBJ_BELONG belong,
                                   const ENUM_GRAPH_OBJ_GROUP group,
                                   const long chart_id, const string name);
                     
public:
//+--------------------------------------------------------------------+ 
//|Methods of simplified access and setting graphical object properties|
//+--------------------------------------------------------------------+

在简化访问类属性的方法清单末尾，添加在指定时间帧内返回对象可见性标志的方法。每个时间帧都有自己的方法。声明在所有时间帧内返回对象可见性描述的方法：

//--- Symbol for the Chart object 
   string            Symbol(void)                  const { return this.GetProperty(GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL);                      }
   void              SetChartObjSymbol(const string symbol)
                       {
                        if(::ObjectSetString(CGBaseObj::ChartID(),CGBaseObj::Name(),OBJPROP_SYMBOL,symbol))
                           this.SetProperty(GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL,symbol);
                       }
//--- Return the flags indicating object visibility on timeframes
   bool              IsVisibleOnTimeframeM1(void)  const { return IsVisibleOnTimeframe(PERIOD_M1, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM2(void)  const { return IsVisibleOnTimeframe(PERIOD_M2, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM3(void)  const { return IsVisibleOnTimeframe(PERIOD_M3, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM4(void)  const { return IsVisibleOnTimeframe(PERIOD_M4, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM5(void)  const { return IsVisibleOnTimeframe(PERIOD_M5, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM6(void)  const { return IsVisibleOnTimeframe(PERIOD_M6, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM10(void) const { return IsVisibleOnTimeframe(PERIOD_M10,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM12(void) const { return IsVisibleOnTimeframe(PERIOD_M12,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM15(void) const { return IsVisibleOnTimeframe(PERIOD_M15,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM20(void) const { return IsVisibleOnTimeframe(PERIOD_M20,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeM30(void) const { return IsVisibleOnTimeframe(PERIOD_M30,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH1(void)  const { return IsVisibleOnTimeframe(PERIOD_H1, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH2(void)  const { return IsVisibleOnTimeframe(PERIOD_H2, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH3(void)  const { return IsVisibleOnTimeframe(PERIOD_H3, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH4(void)  const { return IsVisibleOnTimeframe(PERIOD_H4, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH6(void)  const { return IsVisibleOnTimeframe(PERIOD_H6, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH8(void)  const { return IsVisibleOnTimeframe(PERIOD_H8, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeH12(void) const { return IsVisibleOnTimeframe(PERIOD_H12,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeD1(void)  const { return IsVisibleOnTimeframe(PERIOD_D1, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeW1(void)  const { return IsVisibleOnTimeframe(PERIOD_W1, (int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
   bool              IsVisibleOnTimeframeMN1(void) const { return IsVisibleOnTimeframe(PERIOD_MN1,(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES)); }
//--- Return the description of the object visibility on timeframes
   string            VisibleOnTimeframeDescription(void);
  };
//+------------------------------------------------------------------+

在受保护的参数型构造函数的代码实现中，添加为传递给图形对象所属组的参数设置数值的能力：

//+------------------------------------------------------------------+
//| Protected parametric constructor                                 |
//+------------------------------------------------------------------+
CGStdGraphObj::CGStdGraphObj(const ENUM_OBJECT_DE_TYPE obj_type,
                             const ENUM_GRAPH_OBJ_BELONG belong,
                             const ENUM_GRAPH_OBJ_GROUP group,
                             const long chart_id,const string name)
  {
//--- Set the object (1) type, type of graphical (2) object, (3) element, (4) subwindow affiliation and (5) index, as well as (6) chart symbol Digits
   this.m_type=obj_type;
   CGBaseObj::SetChartID(chart_id);
   CGBaseObj::SetTypeGraphObject(CGBaseObj::GraphObjectType(obj_type));
   CGBaseObj::SetTypeElement(GRAPH_ELEMENT_TYPE_STANDART);
   CGBaseObj::SetBelong(belong);
   CGBaseObj::SetGroup(group);
   CGBaseObj::SetSubwindow(chart_id,name);
   CGBaseObj::SetDigits((int)::SymbolInfoInteger(::ChartSymbol(chart_id),SYMBOL_DIGITS));
   
//--- Save integer properties
   //--- properties inherent in all graphical objects but not present in a graphical object
   this.m_long_prop[GRAPH_OBJ_PROP_CHART_ID]    = CGBaseObj::ChartID();          // Chart ID
   this.m_long_prop[GRAPH_OBJ_PROP_WND_NUM]     = CGBaseObj::SubWindow();        // Chart subwindow index
   this.m_long_prop[GRAPH_OBJ_PROP_TYPE]        = CGBaseObj::TypeGraphObject();  // Graphical object type (ENUM_OBJECT)
   this.m_long_prop[GRAPH_OBJ_PROP_ELEMENT_TYPE]= CGBaseObj::TypeGraphElement(); // Graphical element type (ENUM_GRAPH_ELEMENT_TYPE)
   this.m_long_prop[GRAPH_OBJ_PROP_BELONG]      = CGBaseObj::Belong();           // Graphical object affiliation
   this.m_long_prop[GRAPH_OBJ_PROP_GROUP]       = CGBaseObj::Group();            // Graphical object group
   this.m_long_prop[GRAPH_OBJ_PROP_ID]          = 0;                             // Object ID
   this.m_long_prop[GRAPH_OBJ_PROP_NUM]         = 0;                             // Object index in the list
   //--- Properties inherent in all graphical objects and present in a graphical object
   this.m_long_prop[GRAPH_OBJ_PROP_CREATETIME]  = ::ObjectGetInteger(chart_id,name,OBJPROP_CREATETIME);  // Object creation time
   this.m_long_prop[GRAPH_OBJ_PROP_TIMEFRAMES]  = ::ObjectGetInteger(chart_id,name,OBJPROP_TIMEFRAMES);  // Object visibility on timeframes
   this.m_long_prop[GRAPH_OBJ_PROP_BACK]        = ::ObjectGetInteger(chart_id,name,OBJPROP_BACK);        // Background object
   this.m_long_prop[GRAPH_OBJ_PROP_ZORDER]      = ::ObjectGetInteger(chart_id,name,OBJPROP_ZORDER);      // Priority of a graphical object for receiving the event of clicking on a chart
   this.m_long_prop[GRAPH_OBJ_PROP_HIDDEN]      = ::ObjectGetInteger(chart_id,name,OBJPROP_HIDDEN);      // Disable displaying the name of a graphical object in the terminal object list
   this.m_long_prop[GRAPH_OBJ_PROP_SELECTED]    = ::ObjectGetInteger(chart_id,name,OBJPROP_SELECTED);    // Object selection
   this.m_long_prop[GRAPH_OBJ_PROP_SELECTABLE]  = ::ObjectGetInteger(chart_id,name,OBJPROP_SELECTABLE);  // Object availability
   this.m_long_prop[GRAPH_OBJ_PROP_TIME]        = ::ObjectGetInteger(chart_id,name,OBJPROP_TIME);        // First point time coordinate
   this.m_long_prop[GRAPH_OBJ_PROP_COLOR]       = ::ObjectGetInteger(chart_id,name,OBJPROP_COLOR);       // Color
   this.m_long_prop[GRAPH_OBJ_PROP_STYLE]       = ::ObjectGetInteger(chart_id,name,OBJPROP_STYLE);       // Style
   this.m_long_prop[GRAPH_OBJ_PROP_WIDTH]       = ::ObjectGetInteger(chart_id,name,OBJPROP_WIDTH);       // Line width
   //--- Properties belonging to different graphical objects
   this.m_long_prop[GRAPH_OBJ_PROP_FILL]                          = 0;  // Object color filling
   this.m_long_prop[GRAPH_OBJ_PROP_READONLY]                      = 0;  // Ability to edit text in the Edit object
   this.m_long_prop[GRAPH_OBJ_PROP_LEVELS]                        = 0;  // Number of levels
   this.m_long_prop[GRAPH_OBJ_PROP_LEVELCOLOR]                    = 0;  // Level line color
   this.m_long_prop[GRAPH_OBJ_PROP_LEVELSTYLE]                    = 0;  // Level line style
   this.m_long_prop[GRAPH_OBJ_PROP_LEVELWIDTH]                    = 0;  // Level line width
   this.m_long_prop[GRAPH_OBJ_PROP_ALIGN]                         = 0;  // Horizontal text alignment in the Edit object (OBJ_EDIT)
   this.m_long_prop[GRAPH_OBJ_PROP_FONTSIZE]                      = 0;  // Font size
   this.m_long_prop[GRAPH_OBJ_PROP_RAY_LEFT]                      = 0;  // Ray goes to the left
   this.m_long_prop[GRAPH_OBJ_PROP_RAY_RIGHT]                     = 0;  // Ray goes to the right
   this.m_long_prop[GRAPH_OBJ_PROP_RAY]                           = 0;  // Vertical line goes through all windows of a chart
   this.m_long_prop[GRAPH_OBJ_PROP_ELLIPSE]                       = 0;  // Display the full ellipse of the Fibonacci Arc object
   this.m_long_prop[GRAPH_OBJ_PROP_ARROWCODE]                     = 0;  // Arrow code for the "Arrow" object
   this.m_long_prop[GRAPH_OBJ_PROP_ANCHOR]                        = 0;  // Position of the binding point of the graphical object
   this.m_long_prop[GRAPH_OBJ_PROP_XDISTANCE]                     = 0;  // Distance from the base corner along the X axis in pixels
   this.m_long_prop[GRAPH_OBJ_PROP_YDISTANCE]                     = 0;  // Distance from the base corner along the Y axis in pixels
   this.m_long_prop[GRAPH_OBJ_PROP_DIRECTION]                     = 0;  // Gann object trend
   this.m_long_prop[GRAPH_OBJ_PROP_DEGREE]                        = 0;  // Elliott wave marking level
   this.m_long_prop[GRAPH_OBJ_PROP_DRAWLINES]                     = 0;  // Display lines for Elliott wave marking
   this.m_long_prop[GRAPH_OBJ_PROP_STATE]                         = 0;  // Button state (pressed/released)
   this.m_long_prop[GRAPH_OBJ_PROP_OBJ_CHART_ID]                  = 0;  // Chart object ID (OBJ_CHART).
   this.m_long_prop[GRAPH_OBJ_PROP_CHART_OBJ_PERIOD]              = 0;  // Chart object period<
   this.m_long_prop[GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE]          = 0;  // Time scale display flag for the Chart object
   this.m_long_prop[GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE]         = 0;  // Price scale display flag for the Chart object
   this.m_long_prop[GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE]         = 0;  // Chart object scale
   this.m_long_prop[GRAPH_OBJ_PROP_XSIZE]                         = 0;  // Object width along the X axis in pixels.
   this.m_long_prop[GRAPH_OBJ_PROP_YSIZE]                         = 0;  // Object height along the Y axis in pixels.
   this.m_long_prop[GRAPH_OBJ_PROP_XOFFSET]                       = 0;  // X coordinate of the upper-left corner of the visibility area.
   this.m_long_prop[GRAPH_OBJ_PROP_YOFFSET]                       = 0;  // Y coordinate of the upper-left corner of the visibility area.
   this.m_long_prop[GRAPH_OBJ_PROP_BGCOLOR]                       = 0;  // Background color for OBJ_EDIT, OBJ_BUTTON, OBJ_RECTANGLE_LABEL
   this.m_long_prop[GRAPH_OBJ_PROP_CORNER]                        = 0;  // Chart corner for binding a graphical object
   this.m_long_prop[GRAPH_OBJ_PROP_BORDER_TYPE]                   = 0;  // Border type for "Rectangle border"
   this.m_long_prop[GRAPH_OBJ_PROP_BORDER_COLOR]                  = 0;  // Border color for OBJ_EDIT and OBJ_BUTTON
   
//--- Save real properties
   this.m_double_prop[this.IndexProp(GRAPH_OBJ_PROP_PRICE)]       = ::ObjectGetDouble(chart_id,name,OBJPROP_PRICE);  // Price coordinate
   this.m_double_prop[this.IndexProp(GRAPH_OBJ_PROP_LEVELVALUE)]  = 0;                                               // Level value
   this.m_double_prop[this.IndexProp(GRAPH_OBJ_PROP_SCALE)]       = 0;                                               // Scale (property of Gann objects and Fibonacci Arcs objects)
   this.m_double_prop[this.IndexProp(GRAPH_OBJ_PROP_ANGLE)]       = 0;                                               // Angle
   this.m_double_prop[this.IndexProp(GRAPH_OBJ_PROP_DEVIATION)]   = 0;                                               // Deviation of the standard deviation channel
   
//--- Save string properties
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_NAME)]        = name;                                            // Object name
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_TEXT)]        = ::ObjectGetString(chart_id,name,OBJPROP_TEXT);   // Object description (the text contained in the object)
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_TOOLTIP)]     = ::ObjectGetString(chart_id,name,OBJPROP_TOOLTIP);// Tooltip text
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_LEVELTEXT)]   = "";                                              // Level description
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_FONT)]        = "";                                              // Font
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_BMPFILE)]     = "";                                              // BMP file name for the "Bitmap Level" object
   this.m_string_prop[this.IndexProp(GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL)]= "";                                          // Chart object symbol 
   
//--- Save basic properties in the parent object
   this.m_create_time=(datetime)this.GetProperty(GRAPH_OBJ_PROP_CREATETIME);
   this.m_back=(bool)this.GetProperty(GRAPH_OBJ_PROP_BACK);
   this.m_selected=(bool)this.GetProperty(GRAPH_OBJ_PROP_SELECTED);
   this.m_selectable=(bool)this.GetProperty(GRAPH_OBJ_PROP_SELECTABLE);
   this.m_hidden=(bool)this.GetProperty(GRAPH_OBJ_PROP_HIDDEN);
   this.m_name=this.GetProperty(GRAPH_OBJ_PROP_NAME);
   
  }
//+-------------------------------------------------------------------+

首先，在日志里显示对象简述的方法中通知这是一个标准图形对象：

//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdGraphObj::PrintShort(const bool dash=false,const bool symbol=false)
  {
   ::Print
     (
      CMessage::Text(MSG_GRAPH_ELEMENT_TYPE_STANDART),": ",
      " \"",CGBaseObj::Name(),"\": ID ",(string)this.GetProperty(GRAPH_OBJ_PROP_ID),
      " ",::TimeToString(CGBaseObj::TimeCreate(),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
     );
  }
//+------------------------------------------------------------------+

返回对象整数型属性描述的方法，添加显示对象所属组的描述，并在显示一些属性时调用为此所创建的方法来代替：

//+------------------------------------------------------------------+
//| Return description of object's integer property                  |
//+------------------------------------------------------------------+
string CGStdGraphObj::GetPropertyDescription(ENUM_GRAPH_OBJ_PROP_INTEGER property)
  {
   return
     (
      property==GRAPH_OBJ_PROP_ID         ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ID)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_TYPE       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_TYPE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.TypeDescription()
         )  :
      property==GRAPH_OBJ_PROP_ELEMENT_TYPE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ELEMENT_TYPE)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+CGBaseObj::TypeElementDescription()
         )  :
      property==GRAPH_OBJ_PROP_GROUP  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_GROUP)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+CGBaseObj::GroupDescription()
         )  :
      property==GRAPH_OBJ_PROP_BELONG     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BELONG)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+CGBaseObj::BelongDescription()
         )  :
      property==GRAPH_OBJ_PROP_CHART_ID   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CHART_ID)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_WND_NUM    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_WND_NUM)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_CREATETIME   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CREATETIME)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::TimeToString(this.GetProperty(property),TIME_DATE|TIME_MINUTES|TIME_SECONDS)
         )  :
      property==GRAPH_OBJ_PROP_TIMEFRAMES ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_TIMEFRAMES)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.VisibleOnTimeframeDescription()
         )  :
      property==GRAPH_OBJ_PROP_BACK       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BACK)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.IsBack() ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_ZORDER     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ZORDER)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_HIDDEN     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_HIDDEN)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.IsHidden() ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_SELECTED   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_SELECTED)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.IsSelected() ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_SELECTABLE ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_SELECTABLE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.IsSelectable() ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_NUM        ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_NUM)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_TIME       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_TIME)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.TimeDescription()
         )  :
      property==GRAPH_OBJ_PROP_COLOR      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_COLOR)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::ColorToString((color)this.GetProperty(property),true)
         )  :
      property==GRAPH_OBJ_PROP_STYLE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_STYLE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+LineStyleDescription((ENUM_LINE_STYLE)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_WIDTH     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_WIDTH)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_FILL       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_FILL)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_READONLY   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_READONLY)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_LEVELS     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELS)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_LEVELCOLOR ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELCOLOR)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::ColorToString((color)this.GetProperty(property),true)
         )  :
      property==GRAPH_OBJ_PROP_LEVELSTYLE ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELSTYLE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+LineStyleDescription((ENUM_LINE_STYLE)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_LEVELWIDTH ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELWIDTH)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_ALIGN      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ALIGN)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+AlignModeDescription((ENUM_ALIGN_MODE)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_FONTSIZE   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_FONTSIZE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_RAY_LEFT   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_RAY_LEFT)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_RAY_RIGHT  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_RAY_RIGHT)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_RAY        ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_RAY)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_ELLIPSE    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ELLIPSE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_ARROWCODE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ARROWCODE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_ANCHOR     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ANCHOR)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.AnchorDescription()
         )  :
      property==GRAPH_OBJ_PROP_XDISTANCE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_XDISTANCE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_YDISTANCE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_YDISTANCE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_DIRECTION  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_DIRECTION)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+GannDirectDescription((ENUM_GANN_DIRECTION)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_DEGREE     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_DEGREE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+ElliotWaveDegreeDescription((ENUM_ELLIOT_WAVE_DEGREE)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_DRAWLINES  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_DRAWLINES)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_STATE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_STATE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_BUTTON_STATE_PRESSED) : CMessage::Text(MSG_LIB_TEXT_BUTTON_STATE_DEPRESSED))
         )  :
      property==GRAPH_OBJ_PROP_OBJ_CHART_ID  ?  CMessage::Text(MSG_CHART_OBJ_ID)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_CHART_OBJ_PERIOD ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CHART_OBJ_PERIOD)+
         (!this.SupportProperty(property)       ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+TimeframeDescription((ENUM_TIMEFRAMES)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CHART_OBJ_DATE_SCALE)+
         (!this.SupportProperty(property)             ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CHART_OBJ_PRICE_SCALE)+
         (!this.SupportProperty(property)             ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property) ? CMessage::Text(MSG_LIB_TEXT_YES) : CMessage::Text(MSG_LIB_TEXT_NO))
         )  :
      property==GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CHART_OBJ_CHART_SCALE)+
         (!this.SupportProperty(property)             ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_XSIZE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_XSIZE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_YSIZE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_YSIZE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_XOFFSET    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_XOFFSET)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_YOFFSET    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_YOFFSET)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(string)this.GetProperty(property)
         )  :
      property==GRAPH_OBJ_PROP_BGCOLOR    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BGCOLOR)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::ColorToString((color)this.GetProperty(property),true)
         )  :
      property==GRAPH_OBJ_PROP_CORNER     ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_CORNER)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+BaseCornerDescription((ENUM_BASE_CORNER)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_BORDER_TYPE   ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BORDER_TYPE)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+BorderTypeDescription((ENUM_BORDER_TYPE)this.GetProperty(property))
         )  :
      property==GRAPH_OBJ_PROP_BORDER_COLOR  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BORDER_COLOR)+
         (!this.SupportProperty(property)    ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::ColorToString((color)this.GetProperty(property),true)
         )  :
      ""
     );
  }
//+------------------------------------------------------------------+

对于返回对象实数型属性描述的方法，同样以调用方法代替显示锚点描述：

//+------------------------------------------------------------------+
//| Return description of object's real property                     |
//+------------------------------------------------------------------+
string CGStdGraphObj::GetPropertyDescription(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   int dg=(this.m_digits>0 ? this.m_digits : 1);
   return
     (
      property==GRAPH_OBJ_PROP_PRICE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_PRICE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.PriceDescription()
         )  :
      property==GRAPH_OBJ_PROP_LEVELVALUE ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELVALUE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::DoubleToString(this.GetProperty(property),dg)
         )  :
      property==GRAPH_OBJ_PROP_SCALE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_SCALE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::DoubleToString(this.GetProperty(property),2)
         )  :
      property==GRAPH_OBJ_PROP_ANGLE      ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_ANGLE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::DoubleToString(this.GetProperty(property),2)
         )  :
      property==GRAPH_OBJ_PROP_DEVIATION  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_DEVIATION)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+::DoubleToString(this.GetProperty(property),2)
         )  :
      ""
     );
  }
//+------------------------------------------------------------------+

对于返回对象字符串型属性描述的方法，在显示所包含的字符串型属性时添加引号。为了描述工具提示，显示一条消息，提示是由终端自动形成的，如果它没有设置，且不是 “\n”控制符号，它会禁用工具提示：

//+------------------------------------------------------------------+
//| Return description of object's string property                   |
//+------------------------------------------------------------------+
string CGStdGraphObj::GetPropertyDescription(ENUM_GRAPH_OBJ_PROP_STRING property)
  {
   return
     (
      property==GRAPH_OBJ_PROP_NAME       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_NAME)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+"\""+this.GetProperty(property)+"\""
         )  :
      property==GRAPH_OBJ_PROP_TEXT       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_TEXT)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property)=="" ? CMessage::Text(MSG_LIB_PROP_EMPTY) : "\""+this.GetProperty(property)+"\"")
         )  :
      property==GRAPH_OBJ_PROP_TOOLTIP    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_TOOLTIP)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+(this.GetProperty(property)=="" ? CMessage::Text(MSG_LIB_PROP_AUTO) : 
                this.GetProperty(property)=="\n" ? CMessage::Text(MSG_LIB_PROP_EMPTY) :
                "\""+this.GetProperty(property)+"\"")
         )  :
      property==GRAPH_OBJ_PROP_LEVELTEXT  ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_LEVELTEXT)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+"\""+this.GetProperty(property)+"\""
         )  :
      property==GRAPH_OBJ_PROP_FONT       ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_FONT)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+"\""+this.GetProperty(property)+"\""
         )  :
      property==GRAPH_OBJ_PROP_BMPFILE    ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_BMPFILE)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+"\""+this.GetProperty(property)+"\""
         )  :
      property==GRAPH_OBJ_PROP_CHART_OBJ_SYMBOL ?  CMessage::Text(MSG_GRAPH_OBJ_PROP_SYMBOL)+
         (!this.SupportProperty(property) ?  ": "+CMessage::Text(MSG_LIB_PROP_NOT_SUPPORTED) :
          ": "+this.GetProperty(property)
         )  :
      ""
     );
  }
//+------------------------------------------------------------------+

在时间帧内返回对象可见性描述的方法：

//+------------------------------------------------------------------+
//| Return the description of the object visibility on timeframes    |
//+------------------------------------------------------------------+
string CGStdGraphObj::VisibleOnTimeframeDescription(void)
  {
   string res="";
   int flags=(int)this.GetProperty(GRAPH_OBJ_PROP_TIMEFRAMES);
   if(flags==OBJ_NO_PERIODS)
      return CMessage::Text(MSG_LIB_TEXT_OBJ_NO_PERIODS);
   if(flags==OBJ_ALL_PERIODS)
      return CMessage::Text(MSG_LIB_TEXT_OBJ_ALL_PERIODS);
   for(int i=1;i<=21;i++)
     {
      ENUM_TIMEFRAMES timeframe=TimeframeByEnumIndex((uchar)i);
      if(!IsVisibleOnTimeframe(timeframe,flags))
         continue;
      res+=TimeframeDescription(timeframe)+", ";
     }
   ::StringSetCharacter(res,::StringLen(res)-2,' ');
   ::StringTrimRight(res);
   return res;
  }
//+------------------------------------------------------------------+

在此，我们从对象属性获得对象在时间帧内可见性的标志位。
如果没有设置任何标志，则返回消息，通知对象在每一个时间帧内都不可见。
如若，与之对比，如果设置了所有时间帧的所有标志，则返回该对象在所有时间帧上可见的消息。
如果只设置了一些标志，那么在从 1 到 21 的循环中，我们调用很久以前实现的，位于服务函数文件中的 TimeframeByEnumIndex() 服务函数，依据索引获取时间帧。
如果对象在接收到的时间帧内不可见，则继续进行下一次迭代，获得下一个时间帧。
如果我们可以看到对象，那么我们将它的简述添加到 res 变量值中，并在末尾添加逗号和空格。
一旦循环完成后，用空格替换结果字符串末尾的逗号，并删除字符串右侧的所有空格和控制符号。最后方法返回结果字符串。

所有的类改进均已完毕。现在是时候来创建抽象图形对象类的衍生后代类了。

抽象图形对象的衍生后代对象

在本文中，我将创建几个图形对象组的类：曲线（Lines）、通道（Channels）、江恩（Gann）、斐波那契（Fibo）和埃洛特（Elliott）。

在 \MQL5\Include\DoEasy\Objects\Graph\Standart\ 中，我将创建一个 StdHLineObj 水平线类的新文件 GStdHLineObj.mqh。
该类应该派生自抽象图形对象，而父类文件本身应该连接到所创建的类：

//+------------------------------------------------------------------+
//|                                                 GStdHLineObj.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 link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| "Horizontal line" graphical object                               |
//+------------------------------------------------------------------+
class CGStdHLineObj : public CGStdGraphObj
  {
  }

在类的公开部分，添加构造函数，声明三个返回对象支持属性标志的方法，和显示对象描述和属性的方法：

//+------------------------------------------------------------------+
//| "Horizontal line" graphical object                               |
//+------------------------------------------------------------------+
class CGStdHLineObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdHLineObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_HLINE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,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_HLINE); }
   virtual string    TimeDescription(void)  const
                       { 
                        return ::TimeToString(this.GetProperty(GRAPH_OBJ_PROP_TIME),TIME_DATE|TIME_MINUTES)+" "+
                                 CMessage::Text(MSG_GRAPH_OBJ_TEXT_CLICK_COORD);
                       }
  };
//+------------------------------------------------------------------+

这些方法的目的理应顾名思义。此外，我在其它类中也多次研讨过类似的方法。

在类构造函数的初始化清单中，将对象类型 — 水平线传递给父类的封闭参数型构造函数，隶属关系 — 不属于程序，对象组 — 曲线（lines），并传递给类构造函数图表 ID 和对象名称值：

CGStdHLineObj(const long chart_id,const string name) :
   CGStdGraphObj(OBJECT_DE_TYPE_GSTD_HLINE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,chart_id,name) {}

TypeDescription() 虚方法，返回之前引入的 StdGraphObjectTypeDescription() 服务函数返回的图形对象的描述，它接收对象类型 — 水平线：

virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_HLINE); }

TimeDescription() 虚方法，返回时间描述，显示在水平线属性中设置的时间。由于水平线没有时间参考，当点击图表放置对象时，把鼠标光标坐标设置在对象的属性之中。相应的，在时间描述里附加的消息显示在日志中：

virtual string    TimeDescription(void)  const
                       { 
                        return ::TimeToString(this.GetProperty(GRAPH_OBJ_PROP_TIME),TIME_DATE|TIME_MINUTES)+" "+
                                 CMessage::Text(MSG_GRAPH_OBJ_TEXT_CLICK_COORD);
                       }

返回指示对象支持整数型、实数型和字符串型属性标志的方法：

//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdHLineObj::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 CGStdHLineObj::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 CGStdHLineObj::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;
  }
//+------------------------------------------------------------------+

属性会被传递给每个方法。接下来，如果这个属性存在于受支持的属性列表之中，则返回 true，否则 — false。

每个类所支持的属性列表都不同，因为每个图形对象都有自己的一组属性。对于抽象图形对象的每个衍生后代对象，类构造函数也是唯一的。

显示对象短名称和往日志发送对象简述的方法：

//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdHLineObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdHLineObj::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)
     );
  }
//+------------------------------------------------------------------+

这些方法 (1) 返回一个描述图形对象类型的字符串，以及 (2) 在日志里显示图形对象类型及其名称、所分配的 ID，和对象创建时间。

下面将全面研讨描述各种类型、及包含在不同组中的图形对象的所有其它类。

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdVLineObj.mqh 中的“垂直线”对象类：

//+------------------------------------------------------------------+
//|                                                 GStdVLineObj.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"
//+------------------------------------------------------------------+
//| "Vertical line" graphical object                                 |
//+------------------------------------------------------------------+
class CGStdVLineObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdVLineObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_VLINE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY,::ObjectGetInteger(chart_id,name,OBJPROP_RAY));
                          }
   //--- 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_VLINE); }
   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 CGStdVLineObj::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_RAY          : 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 CGStdVLineObj::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 CGStdVLineObj::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 CGStdVLineObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdVLineObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdTrendObj.mqh 中的“趋势线”对象类：

//+------------------------------------------------------------------+
//|                                                 GStdTrendObj.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"
//+------------------------------------------------------------------+
//| "Trend line" graphical object                                    |
//+------------------------------------------------------------------+
class CGStdTrendObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdTrendObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_TREND,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                          }
   //--- 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_TREND); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdTrendObj::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_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdTrendObj::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 CGStdTrendObj::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 CGStdTrendObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdTrendObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdTrendByAngleObj.mqh 中的“按角度趋势线”对象类：

//+------------------------------------------------------------------+
//|                                          GStdTrendByAngleObj.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"
//+------------------------------------------------------------------+
//| "Trend line by angle" graphical object                           |
//+------------------------------------------------------------------+
class CGStdTrendByAngleObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdTrendByAngleObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_TRENDBYANGLE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANGLE,::ObjectGetDouble(chart_id,name,OBJPROP_ANGLE));
                          }
   //--- 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_TRENDBYANGLE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdTrendByAngleObj::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_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdTrendByAngleObj::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 CGStdTrendByAngleObj::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 CGStdTrendByAngleObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdTrendByAngleObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdCyclesObj.mqh 中的“圆环线”对象类：

//+------------------------------------------------------------------+
//|                                                GStdCyclesObj.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"
//+------------------------------------------------------------------+
//| "Cyclic lines" graphical object                                  |
//+------------------------------------------------------------------+
class CGStdCyclesObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdCyclesObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_CYCLES,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,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_CYCLES); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdCyclesObj::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 CGStdCyclesObj::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 CGStdCyclesObj::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 CGStdCyclesObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdCyclesObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdArrowedLineObj.mqh 中的“箭头线”对象类：

//+------------------------------------------------------------------+
//|                                           GStdArrowedLineObj.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"
//+------------------------------------------------------------------+
//| "Arrowed line" graphical object                                  |
//+------------------------------------------------------------------+
class CGStdArrowedLineObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdArrowedLineObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ARROWED_LINE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_LINES,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_ARROWED_LINE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdArrowedLineObj::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 CGStdArrowedLineObj::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 CGStdArrowedLineObj::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 CGStdArrowedLineObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdArrowedLineObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdChannelObj.mqh 中的“等距通道”对象类：

//+------------------------------------------------------------------+
//|                                               GStdChannelObj.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"
//+------------------------------------------------------------------+
//| "Equidistant channel" graphical object                           |
//+------------------------------------------------------------------+
class CGStdChannelObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdChannelObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_CHANNEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_CHANNELS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           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 graphical object price (1) type (ENUM_OBJECT) and (2) price coordinate
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_CHANNEL); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdChannelObj::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         :
      case GRAPH_OBJ_PROP_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdChannelObj::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 CGStdChannelObj::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 CGStdChannelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdChannelObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdStdDevChannelObj.mqh 中的“标准偏差通道”对象类：

//+------------------------------------------------------------------+
//|                                         GStdStdDevChannelObj.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"
//+------------------------------------------------------------------+
//| "Standard deviation channel" graphical object                    |
//+------------------------------------------------------------------+
class CGStdStdDevChannelObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdStdDevChannelObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_STDDEVCHANNEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_CHANNELS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_FILL,::ObjectGetInteger(chart_id,name,OBJPROP_FILL));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_DEVIATION,::ObjectGetDouble(chart_id,name,OBJPROP_DEVIATION));
                          }
   //--- 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_STDDEVCHANNEL); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdStdDevChannelObj::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         :
      case GRAPH_OBJ_PROP_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdStdDevChannelObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_DEVIATION    :
      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 CGStdStdDevChannelObj::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 CGStdStdDevChannelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdStdDevChannelObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdRegressionObj.mqh 中的“线性回归通道”对象类：

//+------------------------------------------------------------------+
//|                                            GStdRegressionObj.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"
//+------------------------------------------------------------------+
//| "Linear regression channel" graphical object                     |
//+------------------------------------------------------------------+
class CGStdRegressionObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdRegressionObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_REGRESSION,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_CHANNELS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           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 graphical object price (1) type (ENUM_OBJECT) and (2) price coordinate
   virtual string    TypeDescription(void)   const { return StdGraphObjectTypeDescription(OBJ_REGRESSION); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdRegressionObj::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         :
      case GRAPH_OBJ_PROP_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdRegressionObj::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 CGStdRegressionObj::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 CGStdRegressionObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdRegressionObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdPitchforkObj.mqh 中的“安德鲁草叉”对象类：

//+------------------------------------------------------------------+
//|                                             GStdPitchforkObj.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"
//+------------------------------------------------------------------+
//| "Andrews' Pitchfork" graphical object                            |
//+------------------------------------------------------------------+
class CGStdPitchforkObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdPitchforkObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_PITCHFORK,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_CHANNELS,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_PITCHFORK); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdPitchforkObj::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_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    :
      case GRAPH_OBJ_PROP_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   : 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 CGStdPitchforkObj::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 CGStdPitchforkObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdPitchforkObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdPitchforkObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdGannLineObj.mqh 中的“江恩线”对象类：

//+------------------------------------------------------------------+
//|                                              GStdGannLineObj.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"
//+------------------------------------------------------------------+
//| "Gann line" graphical object                                     |
//+------------------------------------------------------------------+
class CGStdGannLineObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdGannLineObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_GANNLINE,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GANN,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_SCALE,::ObjectGetDouble(chart_id,name,OBJPROP_SCALE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ANGLE,::ObjectGetDouble(chart_id,name,OBJPROP_ANGLE));
                          }
   //--- 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_GANNLINE); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdGannLineObj::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_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdGannLineObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_ANGLE        :
      case GRAPH_OBJ_PROP_SCALE        :
      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 CGStdGannLineObj::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 CGStdGannLineObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdGannLineObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdGannFanObj.mqh 中的“江恩扇”对象类：

//+------------------------------------------------------------------+
//|                                               GStdGannFanObj.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"
//+------------------------------------------------------------------+
//| "Gann fan" graphical object                                      |
//+------------------------------------------------------------------+
class CGStdGannFanObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdGannFanObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_GANNFAN,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GANN,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_DIRECTION));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_SCALE,::ObjectGetDouble(chart_id,name,OBJPROP_SCALE));
                          }
   //--- 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_GANNFAN); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdGannFanObj::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_DIRECTION    : 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 CGStdGannFanObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_SCALE        :
      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 CGStdGannFanObj::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 CGStdGannFanObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdGannFanObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdGannGridObj.mqh 中的“江恩网格”对象类：

//+------------------------------------------------------------------+
//|                                              GStdGannGridObj.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"
//+------------------------------------------------------------------+
//| "Gann grid" graphical object                                     |
//+------------------------------------------------------------------+
class CGStdGannGridObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdGannGridObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_GANNGRID,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_GANN,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_DIRECTION));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_SCALE,::ObjectGetDouble(chart_id,name,OBJPROP_SCALE));
                          }
   //--- 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_GANNGRID); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdGannGridObj::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_DIRECTION    : 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 CGStdGannGridObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_SCALE        :
      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 CGStdGannGridObj::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 CGStdGannGridObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdGannGridObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdFiboObj.mqh 中的“斐波那契水平”对象类：

//+------------------------------------------------------------------+
//|                                                  GStdFiboObj.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"
//+------------------------------------------------------------------+
//| "Fibo levels" graphical object                                   |
//+------------------------------------------------------------------+
class CGStdFiboObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdFiboObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_FIBO,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_FIBO); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdFiboObj::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_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    :
      case GRAPH_OBJ_PROP_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   : 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 CGStdFiboObj::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 CGStdFiboObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdFiboObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdFiboObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdFiboTimesObj.mqh 中的“斐波那契时区”：

//+------------------------------------------------------------------+
//|                                             GStdFiboTimesObj.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"
//+------------------------------------------------------------------+
//| "Fibo Time Zones" graphical object                               |
//+------------------------------------------------------------------+
class CGStdFiboTimesObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdFiboTimesObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_FIBOTIMES,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_FIBOTIMES); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdFiboTimesObj::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_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   : 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 CGStdFiboTimesObj::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 CGStdFiboTimesObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdFiboTimesObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdFiboTimesObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdFiboFanObj.mqh 中的“斐波那契扇形”对象类：

//+------------------------------------------------------------------+
//|                                               GStdFiboFanObj.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"
//+------------------------------------------------------------------+
//| "Fibo fan" graphical object                                      |
//+------------------------------------------------------------------+
class CGStdFiboFanObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdFiboFanObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_FIBOFAN,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_FIBOFAN); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdFiboFanObj::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_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   : 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 CGStdFiboFanObj::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 CGStdFiboFanObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdFiboFanObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdFiboFanObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdFiboArcObj.mqh 中的“斐波那契弧形”对象类：

//+------------------------------------------------------------------+
//|                                               GStdFiboArcObj.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"
//+------------------------------------------------------------------+
//| "Fibo arcs" graphical object                                     |
//+------------------------------------------------------------------+
class CGStdFiboArcObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdFiboArcObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_FIBOARC,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_ELLIPSE,::ObjectGetInteger(chart_id,name,OBJPROP_ELLIPSE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_SCALE,::ObjectGetDouble(chart_id,name,OBJPROP_SCALE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_FIBOARC); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdFiboArcObj::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_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   :
      case GRAPH_OBJ_PROP_ELLIPSE      : 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 CGStdFiboArcObj::SupportProperty(ENUM_GRAPH_OBJ_PROP_DOUBLE property)
  {
   switch((int)property)
     {
      //--- Supported properties
      case GRAPH_OBJ_PROP_SCALE        :
      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 CGStdFiboArcObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdFiboArcObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdFiboArcObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdFiboChannelObj.mqh 中的“斐波那契通道”对象类：

//+------------------------------------------------------------------+
//|                                           GStdFiboChannelObj.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 link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "GStdGraphObj.mqh"
//+------------------------------------------------------------------+
//| "Fibo channel" graphical object                                  |
//+------------------------------------------------------------------+
class CGStdFiboChannelObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdFiboChannelObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_FIBOCHANNEL,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_FIBOCHANNEL); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdFiboChannelObj::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_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   :
      case GRAPH_OBJ_PROP_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdFiboChannelObj::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 CGStdFiboChannelObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdFiboChannelObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdFiboChannelObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdExpansionObj.mqh 中的“斐波那契扩展”对象类：

//+------------------------------------------------------------------+
//|                                             GStdExpansionObj.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"
//+------------------------------------------------------------------+
//| "Fibo extension" graphical object                                |
//+------------------------------------------------------------------+
class CGStdExpansionObj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdExpansionObj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_EXPANSION,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_FIBO,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_LEFT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_LEFT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_RAY_RIGHT,::ObjectGetInteger(chart_id,name,OBJPROP_RAY_RIGHT));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELS,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELS));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELCOLOR,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELCOLOR));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELSTYLE,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELSTYLE));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELWIDTH,::ObjectGetInteger(chart_id,name,OBJPROP_LEVELWIDTH));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_LEVELTEXT,::ObjectGetString(chart_id,name,OBJPROP_LEVELTEXT));
                          }
   //--- 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_EXPANSION); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdExpansionObj::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_LEVELS       :
      case GRAPH_OBJ_PROP_LEVELCOLOR   :
      case GRAPH_OBJ_PROP_LEVELSTYLE   :
      case GRAPH_OBJ_PROP_LEVELWIDTH   :
      case GRAPH_OBJ_PROP_RAY_LEFT     :
      case GRAPH_OBJ_PROP_RAY_RIGHT    : 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 CGStdExpansionObj::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 CGStdExpansionObj::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_LEVELTEXT       : return true;
      //--- Other properties are not supported
      //--- Default is 'false'
      default: break;
     }
   return false;
  }
//+------------------------------------------------------------------+
//| Return the object short name                                     |
//+------------------------------------------------------------------+
string CGStdExpansionObj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdExpansionObj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdElliotWave5Obj.mqh 中的“艾略特五浪”对象类：

//+------------------------------------------------------------------+
//|                                           GStdElliotWave5Obj.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"
//+------------------------------------------------------------------+
//| "Elliott 5 waves" graphical object                               |
//+------------------------------------------------------------------+
class CGStdElliotWave5Obj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdElliotWave5Obj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ELLIOTWAVE5,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ELLIOTT,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_DRAWLINES,::ObjectGetInteger(chart_id,name,OBJPROP_DRAWLINES));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_DEGREE,::ObjectGetInteger(chart_id,name,OBJPROP_DEGREE));
                          }
   //--- 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_ELLIOTWAVE5); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdElliotWave5Obj::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_DRAWLINES    :
      case GRAPH_OBJ_PROP_DEGREE       : 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 CGStdElliotWave5Obj::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 CGStdElliotWave5Obj::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 CGStdElliotWave5Obj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdElliotWave5Obj::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)
     );
  }
//+------------------------------------------------------------------+

\MQL5\Include\DoEasy\Objects\Graph\Standart\GStdElliotWave3Obj.mqh 中的“艾略特三浪”对象类：

//+------------------------------------------------------------------+
//|                                           GStdElliotWave3Obj.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"
//+------------------------------------------------------------------+
//| "Elliott 3 waves" graphical object                               |
//+------------------------------------------------------------------+
class CGStdElliotWave3Obj : public CGStdGraphObj
  {
private:

public:
   //--- Constructor
                     CGStdElliotWave3Obj(const long chart_id,const string name) :
                        CGStdGraphObj(OBJECT_DE_TYPE_GSTD_ELLIOTWAVE3,GRAPH_OBJ_BELONG_NO_PROGRAM,GRAPH_OBJ_GROUP_ELLIOTT,chart_id,name)
                          {
                           //--- Get and save the object properties
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_DRAWLINES,::ObjectGetInteger(chart_id,name,OBJPROP_DRAWLINES));
                           CGStdGraphObj::SetProperty(GRAPH_OBJ_PROP_DEGREE,::ObjectGetInteger(chart_id,name,OBJPROP_DEGREE));
                          }
   //--- 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_ELLIOTWAVE3); }
  };
//+------------------------------------------------------------------+
//| Return 'true' if an object supports a passed                     |
//| integer property, otherwise return 'false'                       |
//+------------------------------------------------------------------+
bool CGStdElliotWave3Obj::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_DRAWLINES    :
      case GRAPH_OBJ_PROP_DEGREE       : 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 CGStdElliotWave3Obj::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 CGStdElliotWave3Obj::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 CGStdElliotWave3Obj::Header(const bool symbol=false)
  {
   return this.TypeDescription();
  }
//+------------------------------------------------------------------+
//| Display a short description of the object in the journal         |
//+------------------------------------------------------------------+
void CGStdElliotWave3Obj::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)
     );
  }
//+------------------------------------------------------------------+

这些都是今日计划中的抽象图形对象衍生后代类的所有对象。如您所见，它们彼此雷同，但支持的属性类型不同。这意味着这些对象中的每一个都只会拥有其固有的属性。数据不仅仅显示在日志当中。最重要的是，函数库对象的搜索和排序也会考虑对象支持某个属性的指示标志。因此，当集合中的所有图形对象进行排序时，例如，按角度排序，最终列表不会包含没有角度的对象，因为它们不支持这样的属性。

我将把上述所有类留待单独分析。

现在我们需要改进位于 \MQL5\Include\DoEasy\Collections\GraphElementsCollection.mqh 图形对象集合类文件中的图表对象管理类。

根据添加到图表的图形对象，会由我在此处创建的那些对象来创建标准图形对象类的新实例。我们对文件进行必要的改进。

将此处创建的所有类文件包含到图形对象集合类的文件当中（而不是之前包含的 GStdGraphObj.mqh），并声明创建所述图形对象的新对象，并将其添加到图表的公开方法：

//+------------------------------------------------------------------+
//|                                      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\Standart\GStdVLineObj.mqh"
#include "..\Objects\Graph\Standart\GStdHLineObj.mqh"
#include "..\Objects\Graph\Standart\GStdTrendObj.mqh"
#include "..\Objects\Graph\Standart\GStdTrendByAngleObj.mqh"
#include "..\Objects\Graph\Standart\GStdCiclesObj.mqh"
#include "..\Objects\Graph\Standart\GStdArrowedLineObj.mqh"
#include "..\Objects\Graph\Standart\GStdChannelObj.mqh"
#include "..\Objects\Graph\Standart\GStdStdDevChannelObj.mqh"
#include "..\Objects\Graph\Standart\GStdRegressionObj.mqh"
#include "..\Objects\Graph\Standart\GStdPitchforkObj.mqh"
#include "..\Objects\Graph\Standart\GStdGannLineObj.mqh"
#include "..\Objects\Graph\Standart\GStdGannFanObj.mqh"
#include "..\Objects\Graph\Standart\GStdGannGridObj.mqh"
#include "..\Objects\Graph\Standart\GStdFiboObj.mqh"
#include "..\Objects\Graph\Standart\GStdFiboTimesObj.mqh"
#include "..\Objects\Graph\Standart\GStdFiboFanObj.mqh"
#include "..\Objects\Graph\Standart\GStdFiboArcObj.mqh"
#include "..\Objects\Graph\Standart\GStdFiboChannelObj.mqh"
#include "..\Objects\Graph\Standart\GStdExpansionObj.mqh"
#include "..\Objects\Graph\Standart\GStdElliotWave5Obj.mqh"
#include "..\Objects\Graph\Standart\GStdElliotWave3Obj.mqh"
//+------------------------------------------------------------------+
//| Chart object management class                                    |
//+------------------------------------------------------------------+
class CChartObjectsControl : public CObject
  {
private:
   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
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);
//--- Check the chart objects
   void              Refresh(void);
//--- Constructors
                     CChartObjectsControl(void)
                       { 
                        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_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);
                       }
  };
//+------------------------------------------------------------------+

在方法中，检查图表上对象数量的变化，图形对象管理类，在创建描述图形对象的新对象，并将其添加到图表的代码模块中进行改进：

//+------------------------------------------------------------------+
//| 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)
     {
      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!="")
        {
         //--- 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;
           }
        }
     }
//--- 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;
  }
//+------------------------------------------------------------------+

我早前已经创建了一个新的抽象图形对象。现在是利用此处开发的衍生后代类创建相应类型的对象的时候了。对象创建成功后，为其添加附属属性（不属于程序）。日志显示其所有属性的完整描述，替代显示所创建对象的简述。
为了选择要创建的对象，请使用创建新标准图形对象的方法：

//+------------------------------------------------------------------+
//| 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;
     }
  }
//+------------------------------------------------------------------+

这里的一切都很简单。该方法接收要创建的对象类型、图形对象所要依附的图表 ID，和新图形对象的名称。接下来，根据传递给方法的图形对象的类型，利用 new 操作符创建抽象图形对象的相应衍生后代类的新对象，并立即返回所创建新对象的结果。

该方法返回一个指向新创建对象的指针，或者在创建任何对象出错的情况下返回 NULL 。正如我们所见，并非所有对象都能被创建。其余的将在下一篇文章中创建，以及在当前文章中创建的类中引入的改进。我们需要提供对所有对象锚点的所有属性的访问，而非最先一个。

一切就绪，可以进行测试。

测试

为了执行测试，我们借用上一篇文章中的 EA，并将其保存在 \MQL5\Experts\TestDoEasy\Part84\ 中，命名为 TestDoEasyPart84.mq5。

当前需求不必对 EA 进行任何修改。但是为持顺序，我在终端里把它保存到与文章对应的文件夹中。

编译 EA，在终端中启动它，并往图表里添加一些图形对象。
添加到图表的所有对象属性的完整描述将显示在日志当中：

下一步是什么？

在下一篇文章中，我将继续开发抽象图形对象的衍生后代类，和图形函数库对象的集合类。

以下是该函数库当前版本的所有文件，以及 MQL5 的测试 EA 文件，供您测试和下载。

在评论中留下您的问题、意见和建议。

返回内容目录

*该系列的前几篇文章:

本文由MetaQuotes Ltd译自俄文
原文地址： https://www.mql5.com/ru/articles/9930

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