iDataObject.Release(); iDataObject = null;
private int DragLeave() {	effect.show(DND.FEEDBACK_NONE, 0, 0);	keyOperation = -1;		if (iDataObject == 0) return COM.S_OK;	DNDEvent event = new DNDEvent();	event.widget = this;	event.time = OS.GetMessageTime();	event.detail = DND.DROP_NONE;	notifyListeners(DND.DragLeave, event);	return COM.S_OK;}