<?xml version="1.0" encoding="utf-8"?>



<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"

layout="vertical"

verticalAlign="middle"

backgroundColor="white">



<mx:XML id="treeDP">

<root>

<node label="i) One" />

<node label="i) Two" />

<node label="i) Three" />

<node label="i) Four">

<node label="ii) One" />

<node label="ii) Two" />

<node label="ii) Three">

<node label="iii) One" />

<node label="iii) Two" />

</node>

<node label="ii) Four" />

</node>

<node label="i) Five" />

<node label="i) Six" />

</root>

</mx:XML>



<mx:ApplicationControlBar dock="true">

<mx:CheckBox id="checkBox"

label="useRollOver:"

labelPlacement="left"

selected="true" />

</mx:ApplicationControlBar>



<mx:Tree id="tree"

dataProvider="{treeDP}"

labelField="@label"

showRoot="false"

useRollOver="{checkBox.selected}"

width="200" />



</mx:Application>