<zk>
	<zscript><![CDATA[
		List list = new ArrayList();
		for (int i = 0; i < 100; i++) {
			List list2 = new ArrayList();
			
			for (int j = 0; j < 50; j++) {
				list2.add(new DefaultTreeNode("item " + i + j));
			}
			list.add(new DefaultTreeNode("item " + i, list2));
		}
		DefaultTreeModel model =  
			new DefaultTreeModel(new DefaultTreeNode(null, list));
		
		TreeitemRenderer render = new TreeitemRenderer() {
			public void render(Treeitem item, Object data) throws Exception {
				Treerow tr;
				if (item.getTreerow() == null) {
					tr = new Treerow();
					tr.setParent(item);
				} else {
					tr = item.getTreerow();
					tr.getChildren().clear();
				}
				tr.appendChild(new Treecell((String) ((DefaultTreeNode) data).getData()));
				item.setValue(data);
			}
		};
	]]></zscript>
	
	<tree model="${model}" itemRenderer="${render }" mold="paging" pageSize="50">
		<treecols>
			<treecol label="col"/>
		</treecols>
	</tree>
</zk>