private void OnRenameNodeMetadataCompleted(object sender, RenameNodeMetadataCompletedEventArgs e)
        {
            if (e.Error == null)
            {
                ResultEventArgs resultEventArgs = new ResultEventArgs(e.Result);

                if (RenameNodeMetadataCompleted != null)
                {
                    RenameNodeMetadataCompleted.Invoke(this, resultEventArgs);
                }
            }
        }
        private void OnRenameNodeMetadataCompleted(object sender, RenameNodeMetadataCompletedEventArgs e)
        {
            if (e.Error == null)
            {
                ResultEventArgs resultEventArgs = new ResultEventArgs(e.Result);

                if (RenameNodeMetadataCompleted != null)
                {
                    RenameNodeMetadataCompleted.Invoke(this, resultEventArgs);
                }
            }
        }