Method OnDragDrop

src/window_gui.h:707–707

* A dragged 'object' has been released. * @param pt the point inside the window where the release took place. * @param widget the widget where the release took place. */

	 * @param widget the widget where the release took place.
	 */
	virtual void OnDragDrop([[maybe_unused]] Point pt, [[maybe_unused]] WidgetID widget) {}

	/**
	 * Handle the request for (viewport) scrolling.