/// <remarks/>
 public void DoCancelAsync(DoCancelReq DoCancelReq, object userState) {
     if ((this.DoCancelOperationCompleted == null)) {
         this.DoCancelOperationCompleted = new System.Threading.SendOrPostCallback(this.OnDoCancelOperationCompleted);
     }
     this.InvokeAsync("DoCancel", new object[] {
                 DoCancelReq}, this.DoCancelOperationCompleted, userState);
 }
 /// <remarks/>
 public void DoCancelAsync(DoCancelReq DoCancelReq) {
     this.DoCancelAsync(DoCancelReq, null);
 }