public override void LoadItems()
        {
            if (items.Count == 0)
            {
                items.Clear();

                _previewManager.RegisterBlog(_blogId, _ids, _isRtl);
                foreach (var v in _elements)
                {
                    items.Add(new SemanticHtmlGalleryItem(v.HtmlName, v.TagId, v.DisplayName, _previewManager.GetPreviewBitmap(_blogId, v.HtmlId)));
                }

                base.LoadItems();

                OnStateChanged(EventArgs.Empty);
            }
        }