public override void onMessage(QuickFix42.OrderCancelReject message, SessionID session)
{
OrderCancelReject reject = new OrderCancelReject();
// required fields
reject.TransactTime = Clock.Now;
reject.OrderID = message.getOrderID().getValue();
reject.ClOrdID = message.getClOrdID().getValue();
reject.OrigClOrdID = message.getOrigClOrdID().getValue();
(reject as FIXOrderCancelReject).OrdStatus = message.getOrdStatus().getValue();
(reject as FIXOrderCancelReject).CxlRejResponseTo = message.getCxlRejResponseTo().getValue();
(reject as FIXOrderCancelReject).CxlRejReason = message.getCxlRejReason().getValue();
// optional fields
if (message.isSetSecondaryOrderID())
reject.SecondaryOrderID = message.getSecondaryOrderID().getValue();
if (message.isSetAccount())
reject.Account = message.getAccount().getValue();
if (message.isSetText())
reject.Text = message.getText().getValue();
// event
provider.EmitOrderCancelReject(reject);
}