[traderdoc]

if (Bars > Barsalt) { 
   int time = 10000000000, tn = 0, type = -1;
   bool res = false;
   double lots = 0;

   for (int i = 0; i < OrdersTotal(); i++) {
      if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
         if (OrderOpenTime() < time) {
            time = OrderOpenTime();
            tn = OrderTicket();
            type = OrderType();
            lots = OrderLots();
         }
      }
   }
   if (type == 0) res = OrderClose(tn, lots, Bid, 3, Red);
   if (type == 1) res = OrderClose(tn, lots, Ask, 3, Red);
   Barsalt = Bars;
}

traderdoc