/// <remarks/>
 public void deleteGroupAsync(DeleteRequestType deleteRequest, object userState) {
     if ((this.deleteGroupOperationCompleted == null)) {
         this.deleteGroupOperationCompleted = new System.Threading.SendOrPostCallback(this.OndeleteGroupOperationCompleted);
     }
     this.InvokeAsync("deleteGroup", new object[] {
                 deleteRequest}, this.deleteGroupOperationCompleted, userState);
 }
 /// <remarks/>
 public void deleteGroupAsync(DeleteRequestType deleteRequest) {
     this.deleteGroupAsync(deleteRequest, null);
 }