/// <summary>
/// Not yet documented.
/// </summary>
public static DragHandle BeginDragHandle(object key, object obj, bool isVirtualDragHandle, DragAndDropMethods defaultMethod = DragAndDropMethods.Move)
{
Update();
if (Event.current.type == EventType.Repaint)
{
GUIHelper.BeginLayoutMeasuring();
}
var dragHandle = GUIHelper.GetTemporaryContext <DragHandle>(draggableKey, key).Value;
dragHandle.Object = obj;
dragHandle.DragAndDropMethod = defaultMethod;
dragHandle.LayoutDepth = dragHandles.Count;
dragHandles.Push(dragHandle);
dragHandle.SourceWindow = GUIHelper.CurrentWindow;
return(dragHandle);
}