<zk>
<button label="paging">
   <attribute name="onClick">
      tree1.setMold("paging");
      tree2.setMold("paging");
      tree1.setPageSize(1);
      tree2.setPageSize(1);
   </attribute>
</button>
<hlayout>
   <tree id="tree1" multiple="true" checkmark="true" height="300px" width="200px">
      <treecols>
         <treecol label="tree1"/>
      </treecols>
   </tree>
   <tree id="tree2" multiple="true" checkmark="true" height="300px" width="200px">
      <treecols>
         <treecol label = "tree2"/>
      </treecols>
      <treechildren id="tc2">
         <treeitem>
            <treerow>
               <treecell label="1"/>
            </treerow>
         </treeitem>
         <treeitem open="false" id="ti3">
            <treerow>
               <treecell label="2"/>
            </treerow>
         </treeitem>
      </treechildren>
   </tree>
</hlayout>
<zscript><![CDATA[
      List treeNodes1 = new LinkedList();
      for (int i = 1; i < 3; ++i) {
         treeNodes1.add(new DefaultTreeNode(i, new DefaultTreeNode[]{new DefaultTreeNode(i + "-1")}));
      }
      DefaultTreeNode root1 = new DefaultTreeNode("", treeNodes1);
      DefaultTreeModel treeModel1 = new DefaultTreeModel(root1);
      tree1.setModel(treeModel1);
      treeModel1.setMultiple(true);
   ]]></zscript>
</zk>