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)
{
EventsHelper.Fire(ItemDrag, this, e);
}
protected virtual void OnItemDrag(GalleryItemDragEventArgs e)
{
}
private void OnGalleryViewItemDrag(object sender, GalleryItemDragEventArgs e)
{
OnItemDrag(e);
}
