Code: Select all

int my_magic_number = 999;
string my_symbol = "GBPUSD";
int my_timeframe = PERIOD_D1;
..

// Select last opened ticket
if ( OrderSelect( ticket_number, SELECT_BY_TICKET )
{
	 // Check if the ticket is 'one of ours'
	 if ( (OrderMagicNumber() == my_magic_number) && (OrderSymbol() == my_symbol) )
	 {
		 // Check whether the ticket was opened in the last session ( in this case: yesterday )
		 if ( OrderOpenTime() < iTime( my_symbol, my_timeframe, 0 ) )
		 {
			 // OK to open new trade
			 ticket_number = OrderSend( ..... );
		 }
	 }
}

else
{
	 // Order selection failed
	 Print( StringConcatenate( "Unable to select last opened ticket due to error: ", GetLastError() ) );
}

..

		 

Code: Select all

extern bool useOneDailyTrade        = true; // only allow to trade a currency if one has not closed today

if(useOneDailyTrade && (CheckTodaysOrders(CurrentPair)>=1))
         continue;

//+------------------------------------------------------------------+
//|  Checks closed number
//+------------------------------------------------------------------+
int CheckTodaysOrders(string symbol)
  {
   int TodaysOrders=0;

   for(int i=OrdersHistoryTotal()-1; i>=0; i--)
     {
      OrderSelect(i,SELECT_BY_POS,MODE_HISTORY);
      if(OrderMagicNumber()!=MagicNumber)
         continue;
      if(OrderSymbol()==symbol && (OrderCloseTime()>=iTime(symbol,1440,0)))
        {
         TodaysOrders+=1;
        }
     }
   return(TodaysOrders);
  }