/// <remarks/>
 public void CancelPNRAsync(CancelPNR CancelPnrRequest, object userState) {
     if ((this.CancelPNROperationCompleted == null)) {
         this.CancelPNROperationCompleted = new System.Threading.SendOrPostCallback(this.OnCancelPNROperationCompleted);
     }
     this.InvokeAsync("CancelPNR", new object[] {
                 CancelPnrRequest}, this.CancelPNROperationCompleted, userState);
 }
 /// <remarks/>
 public void CancelPNRAsync(CancelPNR CancelPnrRequest) {
     this.CancelPNRAsync(CancelPnrRequest, null);
 }