DeleteOppositeOrders();
void DeleteOppositeOrders() {
  bool fd, fep1, fep2;

  fep1=ExistPosition(1);
  fep2=ExistPosition(2);

  for (int i=OrdersTotal()-1; i>=0; i--) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (OrderSymbol()==Symbol()) {
        fd=False;
        if (OrderType()==OP_BUYSTOP && OrderMagicNumber()== Magik) {
          if (fep2) fd=OrderDelete(OrderTicket());
        }
        if (OrderType()==OP_SELLSTOP && OrderMagicNumber()== Magik) {
          if (fep1) fd=OrderDelete(OrderTicket());
        }
        if (fd && UseSound) PlaySound(NameFileSound);
      }
    }
  }
}
bool ExistPosition(int mn) {
  bool Exist=False;
  for (int i=0; i<OrdersTotal(); i++) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (OrderSymbol()==Symbol() && OrderMagicNumber()== Magik) {
        if (OrderType()==OP_BUY || OrderType()==OP_SELL) {
          Exist=True; break;
        }
      }
    }
  }
  return(Exist);
}