<?xml version="1.0" encoding="utf-8"?>
  <!-- Tree control example. -->
  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
  
      <mx:Script>
          <![CDATA[
  
              [Bindable]
              public var selectedNode:XML;
  
              // Event handler for the Tree control change event.
              public function treeChanged(event:Event):void {
                  selectedNode=Tree(event.target).selectedItem as XML;
              }
          ]]>
      </mx:Script>
  
      <mx:XMLList id="treeData">
              <node label="Mail Box">
                  <node label="Inbox">
                      <node label="Marketing"/>
                      <node label="Product Management"/>
                      <node label="Personal"/>
                  </node>
                  <node label="Outbox">
                      <node label="Professional"/>
                      <node label="Personal"/>
                  </node>
                  <node label="Spam"/>
                  <node label="Sent"/>
                  </node>        
      </mx:XMLList>
  
      <mx:Panel title="Tree Control Example" height="75%" width="75%" 
          paddingTop="10" paddingLeft="10" paddingRight="10" paddingBottom="10">
  
          <mx:Label width="100%" color="blue" 
              text="Select a node in the Tree control."/>
  
          <mx:HDividedBox width="100%" height="100%">
              <mx:Tree id="myTree" width="50%" height="100%" labelField="@label"
                  showRoot="false" dataProvider="{treeData}" change="treeChanged(event)"/>
              <mx:TextArea height="100%" width="50%"
                  text="Selected Item: {selectedNode.@label}"/>
          </mx:HDividedBox>
          
      </mx:Panel>
  </mx:Application>