gecko-dev/directory/xpcom/tests/example.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://communicator/skin/" type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        orient="vertical">
  <tree id="tree"
            flex="1"
            datasources="rdf:ldap"
            ref="ldap://alpha.dante.org.uk:389/dc=dante,dc=org,dc=uk??one?(objectclass=*)"
            containment="http://home.netscape.com/NC-rdf#recursiveChild"
            flags="dont-build-content">
    <treecols>
      <treecol id="description"
                   class="sortDirectionIndicator"
                   flex="1"
                   label="Description"
                   sort="rdf:http://www.mozilla.org/LDAPATTR-rdf#description"
                   sortActive="true"
                   primary="true"
                   persist="width sortActive sortDirection" />

      <splitter class="tree-splitter" />

      <treecol id="cn"
                   class="sortDirectionIndicator"
                   flex="1"
                   label="CN"
                   sort="rdf:http://www.mozilla.org/LDAPATTR-rdf#cn"
                   persist="width sortActive sortDirection" />
    </treecols>
    <template>
      <treechildren>
        <treeitem uri="rdf:http://home.netscape.com/NC-rdf#recursiveChild">
          <treerow>
            <treecell ref="description"
                          label="rdf:http://www.mozilla.org/LDAPATTR-rdf#description" />
            <treecell ref="cn"
                          label="rdf:http://www.mozilla.org/LDAPATTR-rdf#cn" />
          </treerow>
        </treeitem>
      </treechildren>
    </template>
  </tree>
</window>