internal ItemsOverviewFileDropTarget(ItemsPane itemsPane) : base(itemsPane.Overview)
{
this.itemsPane = itemsPane;
disposable = itemsPane.Overview.Body.AdviseDrop(DragOver, Drop);
}
internal ItemsOverviewDropTarget(ItemsPane itemsPane, IList <ListItem> source) : base(itemsPane.Overview)
{
this.itemsPane = itemsPane;
this.source = source;
dropEffects = ListItemsDropUtility.DropEffects(source, itemsPane.Data.FolderItems.ParentFolder);
}