Article-20147-MQL5-Terminal-Automation-Service-Tasks/Test_STARTED_FROM_CONFIG_2.mq5

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                   Test_STARTED_FROM_CONFIG_2.mq5 |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

#define   SYMBOL     "AUDUSD"
#define   PERIOD     PERIOD_H1
#define   COUNT      10000
#define   ATTEMPTS   3
#define   WAIT       1000

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
//--- 1JO28< ?5@5<5==K5 8 @0A?5G0B05< 2 6C@=0; A?>A>1 70?CA:0 B5@<8=0;0
   int    err_code=0, received=0;
   bool   config_start=(bool)MQLInfoInteger(MQL_STARTED_FROM_CONFIG);
   string text=(config_start ? "Started from config" : "Started manually");
   Alert(StringFormat("MT5 Automation Test Script: %s",text));

//--- A;8 70?CA: 87 :><0=4=>9 AB@>:8 A :>=D83C@0F8>==K< D09;><
   if(config_start)
     {
      //---  F8:;5 ?> :>;8G5AB2C ATTEMPTS ?>?KB>:
      for(int i=0;i<ATTEMPTS;i++)
        {
         //--- @0A?5G0B05< 2 6C@=0;5 =><5@ ?>?KB:8
         PrintFormat("Receiving %s data. Attempt %d",SYMBOL,i+1);
         //--- >;CG05< 40==K5 A8<2>;0 SYMBOL 2 :>;8G5AB25 COUNT 8 A>E@0=O5< :>4 2>72@0B0
         //--- A;8 2AQ CA?5H=> - ?@5@K205< F8:;, 8=0G5 - 64Q< WAIT A5:C=4 8 ?>2B>@O5< 
         err_code=GetSymbolData(received);
         
         //---  0A?5G0B05< :>;8G5AB2> ?>;CG5==KE 40==KE
         PrintFormat("Received: %d",received);
         if(err_code==0)
            break;
         Print("...");
         Sleep(WAIT);
        }
      Print("All attempts completed");
      //--- > 7025@H5=88 2A5E ?>?KB>: ?>;CG5=8O 40==KE A8<2>;0
      //--- 70:@K205< B5@<8=0; A C:070=85< :>40 2>72@0B0 err_code
      TerminalClose(err_code);
     }
  }
//+------------------------------------------------------------------+
//| >;CG05B 40==K5 ?> A8<2>;C SYMBOL 2 :>;8G5AB25 COUNT             |
//+------------------------------------------------------------------+
int GetSymbolData(int &data_received)
  {
   int err=0, copied=0;
   double array[];
//--- 0?@0H8205< 40==K5 A8<2>;0 SYMBOL 2 :>;8G5AB25 COUNT 
   ResetLastError();
   copied=CopyClose(SYMBOL,PERIOD,0,COUNT,array);
   err=GetLastError();
   
//--- A;8 :>;8G5AB2> A:>?8@>20==KE 40==KE =5 @02=> 70?@>H5==><C
   if(copied!=COUNT)
     {
      //--- A;8 =5B >H81:8, 7=0G8B 5IQ =5 2A5 40==K5 ?>;CG5=K.
      //--- #:065< :>4 >H81:8 ERR_HISTORY_NOT_FOUND
      if(err==0)
         err=ERR_HISTORY_NOT_FOUND;
      PrintFormat("%s: CopyClose(%s, H1, 0 - %d) failed. Error %d",__FUNCTION__,SYMBOL,COUNT,err);
     }
   data_received=copied;
   return err;
  }
//+------------------------------------------------------------------+