public static void RegisterHandler(FrameworkElement source, IDragAndDropHandler handler)
{
if (source != null)
{
source.SetValue(DragAndDropHandlerProperty, handler);
}
}
public DragAndDropElement(FrameworkElement source, IDragAndDropHandler handler, DragAndDropDataContainer dataContainer)
{
_dataContainer = dataContainer;
_source = source;
_handler = handler;
InitDragThumb();
}
internal void SetHandler(IDragAndDropHandler handler)
{
_handler = handler;
}
