private void OnListControlDragItemsCompleted(object sender, DragItemsCompletedEventArgs args)
{
object CreateNewParent(IReadOnlyList <object> items, TreeViewList listControl, TreeViewNode rootNode)
{
if (listControl != null && items != null && items.Count > 0)
{
var draggedNode = listControl.NodeFromItem(items[0]);
if (draggedNode != null)
{
var parentNode = draggedNode.Parent;
if (parentNode != null && parentNode != rootNode)
{
return(ListControl.ItemFromNode(parentNode));
}
}
}
return(null);
}
var newParent = CreateNewParent(args.Items, ListControl, m_rootNode);
var treeViewArgs = new TreeViewDragItemsCompletedEventArgs(args, newParent);
DragItemsCompleted?.Invoke(this, treeViewArgs);
}
private void TreeView_DragItemsCompleted(MUXC.TreeView sender, MUXC.TreeViewDragItemsCompletedEventArgs args)
{
foreach (TreeViewData item in args.Items)
{
item.Parent = args.NewParent as TreeViewData;
}
DraggedItems.Clear();
}