Code: Select all

#include <WinUser32.mqh>

//+------------------------------------------------------------------+
//| Open a new chart                                                 |
//+------------------------------------------------------------------+
int ChartWindow(string SymbolName,int timeframe,int tempNo,int tf)
  {
   int hFile,SymbolsTotal,hTerminal,hWnd,handlechart;
   int intCmd;
//if window is already open, don't open another one
   if(WindowHandle(SymbolName,timeframe)!=0)
     {
      Print("Chart already open ",WindowHandle(SymbolName,timeframe));
      // switch to existing chart
      hTerminal=GetParent(GetParent(WindowHandle(Symbol(),Period())));
      SendMessageA(hTerminal,WM_MDIACTIVATE,GetParent(WindowHandle(SymbolName,timeframe)),0);
      return(0);
     }

   Print("Chart handle ",WindowHandle(SymbolName,timeframe));

   hFile=FileOpenHistory("symbols.sel",FILE_BIN|FILE_READ);
   if(hFile<0)
      return(-1);

   SymbolsTotal=(int)(FileSize(hFile)-4)/128;
   FileSeek(hFile,4,SEEK_SET);

   hTerminal=GetAncestor(WindowHandle(Symbol(),Period()),2);

   Print("hTerminal: ",hTerminal);
   hWnd=GetDlgItem(hTerminal,0xE81C);
   Print("hTerminal: ",hWnd);
   hWnd=GetDlgItem(hWnd,0x50);
   Print("hTerminal: ",hWnd);
   hWnd=GetDlgItem(hWnd,0x8A71);
   Print("hTerminal: ",hWnd);

   PostMessageA(hWnd,WM_KEYDOWN,VK_HOME,0);

   for(int i=0; i<SymbolsTotal; i++)
     {
      if(FileReadString(hFile,12)==SymbolName)
        {
         PostMessageA(hTerminal,WM_COMMAND,33160,0);
         i=SymbolsTotal;
        }
      PostMessageA(hWnd,WM_KEYDOWN,VK_DOWN,0);
      FileSeek(hFile,116,SEEK_CUR);
     }
// wait until new chart is open
   Sleep(2000);

// seems Empty4 always open a new chart in H1 timeframe
   handlechart=WindowHandle(SymbolName,PERIOD_H1);

// loading the *first* available template
   PostMessageA(handlechart,WM_COMMAND,34800+tempNo,0);

   intCmd=-1;
   switch(tf)
     {
      case PERIOD_M1:
         intCmd=33137;
         break;
      case PERIOD_M5:
         intCmd=33138;
         break;
      case PERIOD_M15:
         intCmd=33139;
         break;
      case PERIOD_M30:
         intCmd=33140;
         break;
      case PERIOD_H1:
         intCmd=35400;
         break;
      case PERIOD_H4:
         intCmd=33136;
         break;
      case PERIOD_D1:
         intCmd=33134;
         break;
      case PERIOD_W1:
         intCmd=33141;
         break;
      case PERIOD_MN1:
         intCmd=33334;
         break;
     }
   PostMessageA(handlechart,WM_COMMAND,intCmd,0);
   FileClose(hFile);

   return(-1);
  }

Code: Select all

bool  ChartSetSymbolPeriod(
   long             chart_id,     // Chart ID
   string           symbol,       // Symbol name
   ENUM_TIMEFRAMES  period        // Period
   );