<zk>
    <zscript><![CDATA[
        DefaultTreeNode root = new DefaultTreeNode("root", new DefaultTreeNode[] {
            new DefaultTreeNode("item-1", new DefaultTreeNode[] {
                new DefaultTreeNode("item-1.1"), new DefaultTreeNode("item-1.2"), new DefaultTreeNode("item-1.3")
            }),
            new DefaultTreeNode("item-2", new DefaultTreeNode[] {
                new DefaultTreeNode("item-2.1"), new DefaultTreeNode("item-2.2"), new DefaultTreeNode("item-2.3")
            }),
            new DefaultTreeNode("item-3", new DefaultTreeNode[] {
                new DefaultTreeNode("item-3.1"), new DefaultTreeNode("item-3.2"), new DefaultTreeNode("item-3.3")
            })
        });
        DefaultTreeModel model = new DefaultTreeModel(root);
        model.addOpenObject(root.getChildAt(0));
        model.addOpenObject(root.getChildAt(1));
        model.addOpenObject(root.getChildAt(2));
        model.setMultiple(true);
        model.setPageSize(5);
    ]]></zscript>
    <tree model="${model}" checkmark="true" mold="paging">
        <treecols>
            <treecol label="col1"></treecol>
        </treecols>
        <template name="model">
            <treeitem label="${each.data}"/>
        </template>
    </tree>
</zk>