private void OnItemDrag(object sender, ItemDragEventArgs e) { // Only allow dragging of one item at a time, so deselect all other items foreach (ListViewItem lvi in _listView.Items) { if (lvi != e.Item) { lvi.Selected = false; } } ListViewItem draggedItem = (ListViewItem)e.Item; var galleryItem = (IGalleryItem)draggedItem.Tag; DataObject data = new DataObject(); if (DragOutside) { data.SetData(galleryItem.Item); data.SetText(galleryItem.Item.ToString(), TextDataFormat.UnicodeText); } // allow event listeners to specify additional formats var galleryItemDragEventArgs = new GalleryItemDragEventArgs(galleryItem); OnItemDrag(galleryItemDragEventArgs); foreach (var additionalData in galleryItemDragEventArgs.AdditionalDataFormats) { data.SetData(additionalData); } // in order for drag reorder to work, we do this last to ensure that the ListViewItem format is always our item if (DragReorder) { data.SetData(draggedItem); } _listView.DoDragDrop(data, DragDropEffects.Move); }
protected virtual void OnItemDrag(GalleryItemDragEventArgs e) { EventsHelper.Fire(ItemDrag, this, e); }
private void OnItemDrag(object sender, ItemDragEventArgs e) { // Only allow dragging of one item at a time, so deselect all other items foreach (ListViewItem lvi in _listView.Items) { if (lvi != e.Item) lvi.Selected = false; } ListViewItem draggedItem = (ListViewItem) e.Item; var galleryItem = (IGalleryItem) draggedItem.Tag; DataObject data = new DataObject(); if (DragOutside) { data.SetData(galleryItem.Item); data.SetText(galleryItem.Item.ToString(), TextDataFormat.UnicodeText); } // allow event listeners to specify additional formats var galleryItemDragEventArgs = new GalleryItemDragEventArgs(galleryItem); OnItemDrag(galleryItemDragEventArgs); foreach (var additionalData in galleryItemDragEventArgs.AdditionalDataFormats) data.SetData(additionalData); // in order for drag reorder to work, we do this last to ensure that the ListViewItem format is always our item if (DragReorder) { data.SetData(draggedItem); } _listView.DoDragDrop(data, DragDropEffects.Move); }
protected virtual void OnItemDrag(GalleryItemDragEventArgs e) { }
private void OnGalleryViewItemDrag(object sender, GalleryItemDragEventArgs e) { OnItemDrag(e); }