private void UiTreeView_ItemMoved(ITreeItem itemView, ITreeFolder oldParentView, ITreeFolder newParentView, int index)
{
//Data에 적용하기
UiItem item = ((UiItemView)itemView).Data;
UiItem newParentItem = ((UiItemView)newParentView).Data;
UiItemView oldParentItemView = (oldParentView as UiItemView);
if (oldParentItemView != null)
{
oldParentItemView.Data.RemoveChildItem(item);
}
newParentItem.InsertChildItem(index, item);
ItemMoved?.Invoke(item, newParentItem, oldParentItemView.Data);
}
