double lastTPbuy=0, lastTPsell=0;
for (int a = 0; a < OrdersTotal(); a++)
{
if(OrderSelect(a, SELECT_BY_POS,MODE_TRADES) == true)
{
if (OrderSymbol() == Symbol() && OrderCloseTime() == 0)
{
double ord=0;
if (OrderType() == OP_SELL) {lastTPsell=OrderTakeProfit();}
if (OrderType() == OP_BUY) {lastTPbuy=OrderTakeProfit();}
}
}
}
if(OrdersTotal>1 && LastTPSell==0){ModifyTP(....);}
if(OrdersTotal>1 && LastTPBuy==0){ModifyTP(...);}