/**
* upcall from native code
*/
protected final void dragExit(final int x, final int y) {
DragSourceEvent event =
new DragSourceEvent(getDragSourceContext(), x, y);
EventDispatcher dispatcher =
new EventDispatcher(DISPATCH_EXIT, event);
SunToolkit.invokeLaterOnAppContext(
SunToolkit.targetToAppContext(getComponent()), dispatcher);