MT5 Pending order

Code below shows how to set and delete pending order.

var api = new MT5API("45.76.194.231:443", 7371, "mt5api");
api.OnConnectStatus += ConnectionStatus;
api.Connect();
string symbol = "EURUSD";
api.Subscribe(symbol);
while (api.GetQuote(symbol) == null)
    Thread.Sleep(1);
var o = api.OrderSend(symbol, 100, 1.3, OrderType.BuyStop, 0, 0, 0, null, 0);
Console.WriteLine(o.Ticket);
api.OrderClose(o.Ticket, o.Symbol, o.OpenPrice, o.Volume, o.OrderType);
Console.WriteLine("Deleted");
Console.ReadKey();