ListBox lb = new ListBox();
lb.addChangeListener(listener);
lb.setVisibleItemCount(1);
lb.addItem(caption);
lb.addItem(strings.white(), "white");
lb.addItem(strings.black(), "black");
lb.addItem(strings.red(), "red");
lb.addItem(strings.green(), "green");
lb.addItem(strings.yellow(), "yellow");
lb.addItem(strings.blue(), "blue");