Error inserting indicator alert for Metatrader 5

Pedro 2020.09.06 21:16

Hello, I'm new to the programming world and I have a doubt about how to put the audible alert with notification on the 3 Level ZZ Semafor indicator for MT5. I saw that the indicator for MT4 has the alert but the version for MT5 does not. I tried to insert comparing the two codes but there was an error when compiling, maybe due to lack of knowledge and practice I couldn't. The audible alert and notification are activated when colored balls appear on the graph. The parts of the code highlighted in yellow were the parts I added in an attempt to place the alert, and where the errors are possibly found.

Can someone who knows a little about programming help me how to do this?

//+------------------------------------------------------------------+

//| 3_Level_ZZ_Semafor.mq5 |

//+------------------------------------------------------------------+

//---- author of the indicator

#property copyright ""

//---- link to the author's website

#property link ""

//---- indicator version

#property version "1.00"

//---- drawing the indicator in the main window

#property indicator_chart_window

//---- six buffers are used for calculation and drawing the indicator

#property indicator_buffers 6

//---- six plots are used

#property indicator_plots 6

//+----------------------------------------------+

//| Bullish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 1 as a symbol

#property indicator_type1 DRAW_ARROW

//---- use aqua color

#property indicator_color1 Aqua

//---- thickness of the indicator line is equal to 1

#property indicator_width1 1

//---- displaying the indicator bullish symbol label

#property indicator_label1 "Low"

//+----------------------------------------------+

//| Bearish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 2 as a symbol

#property indicator_type2 DRAW_ARROW

//---- use magenta color

#property indicator_color2 Magenta

//---- thickness of the indicator 2 line is equal to 1

#property indicator_width2 1

//---- displaying the indicator bearish symbol label

#property indicator_label2 "High"

//+----------------------------------------------+

//| Bullish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 3 as a symbol

#property indicator_type3 DRAW_ARROW

//---- aqua color is used as a symbol color

#property indicator_color3 Aqua

//---- thickness of the indicator line 3 is equal to 1

#property indicator_width3 1

//---- displaying the indicator bullish symbol label

#property indicator_label3 "Low"

//+----------------------------------------------+

//| Bearish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 4 as a symbol

#property indicator_type4 DRAW_ARROW

//---- magenta color is used as a symbol color

#property indicator_color4 Magenta

//---- thickness of the indicator line 4 is equal to 1

#property indicator_width4 1

//---- displaying the indicator bearish symbol label

#property indicator_label4 "High"

//+----------------------------------------------+

//| Bullish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 5 as a symbol

#property indicator_type5 DRAW_ARROW

//---- aqua color is used as a symbol color

#property indicator_color5 Aqua

//---- thickness of the indicator line 5 is equal to 1

#property indicator_width5 1

//---- displaying the indicator bullish symbol label

#property indicator_label5 "Low"

//+----------------------------------------------+

//| Bearish indicator drawing parameters |

//+----------------------------------------------+

//---- drawing the indicator 6 as a symbol

#property indicator_type6 DRAW_ARROW

//---- magenta color is used as a symbol color

#property indicator_color6 Magenta

//---- thickness of the indicator line 4 is equal to 1

#property indicator_width6 1

//---- displaying of the bearish label of the indicator

#property indicator_label6 "High"

//+----------------------------------------------+

//| Indicator input parameters |

//+----------------------------------------------+

input int Period1=5;

input int Deviation1=1;

input int Backstep1=3;

input int HighSymbol1=159;

input int LowSymbol1=159;

input int Period2=13;

input int Deviation2=8;

input int Backstep2=5;

input int HighSymbol2=108;

input int LowSymbol2=108;

input int Period3=34;

input int Deviation3=21;

input int Backstep3=12;

input int HighSymbol3=163;

input int LowSymbol3=163;

input int alertsOn=false;

input int alertsOnCurrent=false;

input int alertsMessage=true;

input int alertsSound=false;

input int alertsNotify=false;

input int alertsEmail=false;

//+----------------------------------------------+

//---- declaration of dynamic arrays that

// will be used as indicator buffers

double HighBuffer1[],LowBuffer1[];

double HighBuffer2[],LowBuffer2[];

double HighBuffer3[],LowBuffer3[];

//---- declaration of the integer variables for the start of data calculation

int StartBar1,StartBar2,StartBar3,StartBar;

//---- declaration of variables for storing indicators handles

int Handle1,Handle2,Handle3;

//+------------------------------------------------------------------+

//| Custom indicator initialization function |

//+------------------------------------------------------------------+

void OnInit()

{

//---- Initialize constants

StartBar1=Period1+Deviation1+Backstep1+1;

StartBar2=Period2+Deviation2+Backstep2+1;

StartBar3=Period3+Deviation3+Backstep3+1;

StartBar=(int)MathMax(StartBar1,MathMax(StartBar2,StartBar3));

//---- set dynamic array as an indicator buffer

SetIndexBuffer(0,LowBuffer1,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 1

PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(0,PLOT_LABEL,"Low1");

//---- indicator symbol

PlotIndexSetInteger(0,PLOT_ARROW,LowSymbol1);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(LowBuffer1,true);

//---- set dynamic array as an indicator buffer

SetIndexBuffer(1,HighBuffer1,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 2

PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(1,PLOT_LABEL,"High1");

//---- indicator symbol

PlotIndexSetInteger(1,PLOT_ARROW,HighSymbol1);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(HighBuffer1,true);

//---- set dynamic array as an indicator buffer

SetIndexBuffer(2,LowBuffer2,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 3

PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(2,PLOT_LABEL,"Low2");

//---- indicator symbol

PlotIndexSetInteger(2,PLOT_ARROW,LowSymbol2);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(LowBuffer2,true);

//---- set dynamic array as an indicator buffer

SetIndexBuffer(3,HighBuffer2,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 4

PlotIndexSetInteger(3,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(3,PLOT_LABEL,"High2");

//---- indicator symbol

PlotIndexSetInteger(3,PLOT_ARROW,HighSymbol2);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(HighBuffer2,true);

//---- set dynamic array as an indicator buffer

SetIndexBuffer(4,LowBuffer3,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 5

PlotIndexSetInteger(4,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(4,PLOT_LABEL,"Low3");

//---- indicator symbol

PlotIndexSetInteger(4,PLOT_ARROW,LowSymbol3);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(LowBuffer3,true);

//---- set dynamic array as an indicator buffer

SetIndexBuffer(5,HighBuffer3,INDICATOR_DATA);

//---- shifting the start of drawing of the indicator 6

PlotIndexSetInteger(5,PLOT_DRAW_BEGIN,0);

//---- create a label to display in DataWindow

PlotIndexSetString(5,PLOT_LABEL,"High3");

//---- indicator symbol

PlotIndexSetInteger(5,PLOT_ARROW,HighSymbol3);

//---- indexing elements in the buffer as timeseries

ArraySetAsSeries(HighBuffer3,true);

//---- initializations of a variable for the indicator short name

//---- creating a name for displaying in a separate sub-window and in a tooltip

IndicatorSetString(INDICATOR_SHORTNAME,"3_Level_ZZ_Semafor");

//---- determination of accuracy of displaying of the indicator values

IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//---- Get indicator's handle

Handle1=iCustom(NULL,0,"Examples\ZigZag",Period1,Deviation1,Backstep1);

if(Handle1==INVALID_HANDLE) Print(" Failed to get handle of the ZigZag1 indicator");

//---- Get indicator's handle

Handle2=iCustom(NULL,0,"Examples\ZigZag",Period2,Deviation2,Backstep2);

if(Handle2==INVALID_HANDLE) Print(" Failed to get handle of the ZigZag2 indicator");

//---- Get indicator's handle

Handle3=iCustom(NULL,0,"Examples\ZigZag",Period3,Deviation3,Backstep3);

if(Handle3==INVALID_HANDLE) Print(" Failed to get handle of the ZigZag3 indicator");

//----

}

//+------------------------------------------------------------------+

//| Custom indicator iteration function |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total, // number of bars in history at the current tick

const int prev_calculated,// number of bars calculated at previous call

const datetime &time[],

const double &open[],

const double& high[], // price array of maximums of price for the indicator calculation

const double& low[], // price array of minimums of price for the indicator calculation

const double &close[],

const long &tick_volume[],

const long &volume[],

const int &spread[])

{

//---- checking the number of bars to be enough for the calculation

if(rates_total<StartBar) return(0);

//---- declarations of local variables

int limit,to_copy1,to_copy2,to_copy3;

//---- calculation of the 'first' starting index for the bars recalculation loop

if(prev_calculated>rates_total || prev_calculated<=0) // checking for the first start of calculation of an indicator

{

limit=rates_total-StartBar; // starting index for calculation of all bars

to_copy1=rates_total;

to_copy2=rates_total;

to_copy3=rates_total;

}

else

{

limit=rates_total-prev_calculated;

to_copy1=limit+StartBar1;

to_copy2=limit+StartBar2;

to_copy3=limit+StartBar3;

}

if (alertsOn)

{

if (alertsOnCurrent)

int whichBar = 0;

else whichBar = 1;

//---- copy the newly appeared data in the indicator buffers

if(CopyBuffer(Handle1,1,0,to_copy1,HighBuffer1)<=0) return(0) doAlert(type1,time1," #1 UP");

if(CopyBuffer(Handle1,2,0,to_copy1,LowBuffer1)<=0) return(0) doAlert(type1,time1," #1 DOWN");

if(CopyBuffer(Handle2,1,0,to_copy2,HighBuffer2)<=0) return(0) doAlert(type2,time2," #2 UP");

if(CopyBuffer(Handle2,2,0,to_copy2,LowBuffer2)<=0) return(0) doAlert(type2,time2," #2 DOWN");

if(CopyBuffer(Handle3,1,0,to_copy3,HighBuffer3)<=0) return(0) doAlert(type3,time3," #3 UP");

if(CopyBuffer(Handle3,2,0,to_copy3,LowBuffer3)<=0) return(0) doAlert(type3,time3," #3 DOWN");

//----

void doAlert(string& previousAlert, datetime& previousTime, string doWhat)

{

string message;

if (previousAlert != doWhat || previousTime != Time[0]) {

previousAlert = doWhat;

previousTime = Time[0];

message = StringConcatenate(Symbol()," at ",TimeToStr(TimeLocal(),TIME_SECONDS)," 3 Level Semafor ",doWhat);

if (alertsMessage) Alert(message);

if (alertsNotify) SendNotification(message);

if (alertsEmail) SendMail(StringConcatenate(Symbol()," 3 Level Semafor "),message);

if (alertsSound) PlaySound("alert2.wav");

}

return(rates_total);

}

//+------------------------------------------------------------------+

Ali Hasaani 2020.12.09 06:28 #1

Hi Dear Friend;

Did you can to compile your indicator successfully?

William Roeder 2020.12.09 13:58 #2

Please edit your (original) post and use the CODE button (Alt-S)! (For large amounts of code, attach it.)
General rules and best pratices of the Forum. - General - MQL5 programming forum 2019.05.06
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