<zk>
    <zscript><![CDATA[
    List list = new ArrayList();
    for (int i = 0; i < 100; i++) {
        list.add("item" + i);
    }
    ListModel listModel = new SimpleListModel(list);
]]></zscript>
    <window height="100%" width="100%">
        <div vflex="1">&#160;</div>
        <div align="center">
            <button label="Click to Popup" popup="mypopup"/>
        </div>
        <popup id="mypopup" width="380px">
            <listbox rows="10" model="${listModel}">
                <listhead>
                    <listheader label="Header" sort="auto" />
                </listhead>
            </listbox>
        </popup>
    </window>
</zk>