}
@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
WTKXSerializer wtkxSerializer = new WTKXSerializer();
window = (Window)wtkxSerializer.readObject(this, "kitchen_sink.wtkx");
wtkxSerializer.bind(this, KitchenSink.class);
buttonsRollup = (Rollup)wtkxSerializer.get("buttonsRollup");
buttonsRollup.getRollupStateListeners().add(new ButtonsRollupStateHandler());