{

ticket_buy=OrderSend(Symbol()，OP_BUY，Lots，Ask，3，0，0，“”，MAGIC_MA，0，Blue)；

if(ticket _ buy & gt； 0)

{

billbuy _ ok = true

if(OrderSelect(ticket_buy，SELECT_BY_TICKET，MODE_TRADES))

{

Print ("buy order has been opened:", order open price())；);

/* if(SL & gt； 0 & amp& ampOrderStopLoss()==0)

OrderModify(OrderTicket()、OrderOpenPrice()、OrderOpenPrice()-SL*Point、OrderTakeProfit()、0、Green)；

if(TP & gt； 0 & amp& ampOrderTakeProfit()==0)

OrderModify(OrderTicket (), OrderOpenPrice (), OrderStopLoss (), OrderOpenPrice()+TP*Point, 0, green);

*/

}

}

other

{

billbuy _ ok = false

Print ("Error in opening purchase order:", GetLastError())；);

}

This is probably the principle.