/// <remarks/>
 public void UpdateContactAsync(UpdateContactRequestType UpdateContactRequest, object userState) {
     if ((this.UpdateContactOperationCompleted == null)) {
         this.UpdateContactOperationCompleted = new System.Threading.SendOrPostCallback(this.OnUpdateContactOperationCompleted);
     }
     this.InvokeAsync("UpdateContact", new object[] {
                 UpdateContactRequest}, this.UpdateContactOperationCompleted, userState);
 }
 /// <remarks/>
 public void UpdateContactAsync(UpdateContactRequestType UpdateContactRequest) {
     this.UpdateContactAsync(UpdateContactRequest, null);
 }