#drop_down 下拉

1<drop_down>
2    <button id="trigger">
3        <label as_prop="slot" text="'Open Dialog'"></label>
4    </button>
5    <dialog as_prop="popup">
6        <popup_container as_prop="container" height="220.0" width="360.0" flow="Down" theme="Info">
7            <label text="'Container'"></label>
8        </popup_container>
9    </dialog>
10</drop_down>