dummyPopup.initModality(Modality.NONE);
dummyPopup.initStyle(StageStyle.UTILITY);
dummyPopup.setOpacity(0d);
final Group root = new Group();
root.getChildren().add(new Text("Close"));
dummyPopup.setScene(new Scene(root, NOTIFY_WINDOW_WIDTH,
NOTIFY_WINDOW_HEIGHT, Color.TRANSPARENT));
dummyPopup.setX(bounds.getMaxX());
dummyPopup.setY(bounds.getMaxY());
dummyPopup.show();