//+------------------------------------------------------------------+
//| All Position Close                                               |
//+------------------------------------------------------------------+
#include <stdlib.mqh>
#include <WinUser32.mqh>

int start()
{
   if (IsTradeAllowed()==false) { Alert("Allow live trading is OFF. Check Option.");  return; }
   if(MessageBox("Close All position?", "YES", MB_YESNO|MB_ICONQUESTION) != IDYES) return;

   bool   result;
   double price;
   int    cmd,error;

   int total=OrdersTotal();
   
   for(int i=total-1; i>=0; i--)
   {
       if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES) ==false) continue;
       cmd=OrderType();
       if(cmd > 1) continue;
       while(true)
       {
          if(cmd==OP_BUY) price=Bid;
          else            price=Ask;
          if(OrderClose(OrderTicket(),OrderLots(),price,1,CLR_NONE) == TRUE) break;
          else
          {
              error=GetLastError();
              Print("LastError = ",ErrorDescription(GetLastError()) );
              if(error==135) RefreshRates();
              else break;
          }
        }
   }
   return;
}