●プログラム・リスト●

※MainPanelの修正
class MainPanel extends Panel implements ComponentListener {
    private Label label;
    private ListBox list;
    
    MainPanel() {
        setTitle("Start IApplication");
        HTMLLayout layout = new HTMLLayout();
        this.setLayoutManager(layout);
        label = new Label("List　Sample");
        this.add(label);
        layout.br();
        list = new ListBox(ListBox.SINGLE_SELECT);
        list.append("Windows");
        list.append("Linux");
        list.append("Mac OS X");
        this.add(list);
        this.setComponentListener(this);
    }

    public void componentAction(Component source, int type, int param) {
        switch(type){
        case ComponentListener.SELECTION_CHANGED:
            if (source == list){
                int n = list.getSelectedIndex();
                label.setText(list.getItem(n));
            }
            break;
        }
    }
}