private void OnPhotoSetUpdated(object sender, EditPhotoSetEventArgs e)
        {
            PhotoSet photoSet = PhotoSetCache[e.SetId];
            photoSet.Title = e.Title;
            photoSet.Description = e.Description;

            PhotoSetUpdatedEventArgs evt = new PhotoSetUpdatedEventArgs();
            evt.PhotoSetId = e.SetId;
            PhotoSetUpdated.DispatchEvent(this, evt);
        }
        private void OnPhotoSetUpdated(object sender, PhotoSetUpdatedEventArgs e)
        {
            Dispatcher.BeginInvoke(() =>
            {
                if (composer == null)
                {
                    return;
                }

                DismissPropertyEditorView();
                PhotoStreamListView.ItemsSource = null;
                PhotoStreamListView.ItemsSource = PhotoCollection;
            });
        }