/// <remarks/>
 public void UpdateDDNSAsync(UpdateDDNSRequestType UpdateDDNSRequest, object userState) {
     if ((this.UpdateDDNSOperationCompleted == null)) {
         this.UpdateDDNSOperationCompleted = new System.Threading.SendOrPostCallback(this.OnUpdateDDNSOperationCompleted);
     }
     this.InvokeAsync("UpdateDDNS", new object[] {
                 UpdateDDNSRequest}, this.UpdateDDNSOperationCompleted, userState);
 }
 /// <remarks/>
 public void UpdateDDNSAsync(UpdateDDNSRequestType UpdateDDNSRequest) {
     this.UpdateDDNSAsync(UpdateDDNSRequest, null);
 }