/// <remarks/>
public void DoExpressCheckoutPaymentAsync(DoExpressCheckoutPaymentReq DoExpressCheckoutPaymentReq, object userState) {
if ((this.DoExpressCheckoutPaymentOperationCompleted == null)) {
this.DoExpressCheckoutPaymentOperationCompleted = new System.Threading.SendOrPostCallback(this.OnDoExpressCheckoutPaymentOperationCompleted);
}
this.InvokeAsync("DoExpressCheckoutPayment", new object[] {
DoExpressCheckoutPaymentReq}, this.DoExpressCheckoutPaymentOperationCompleted, userState);
}
/// <remarks/>
public void DoExpressCheckoutPaymentAsync(DoExpressCheckoutPaymentReq DoExpressCheckoutPaymentReq) {
this.DoExpressCheckoutPaymentAsync(DoExpressCheckoutPaymentReq, null);
}