Tree 小结

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获取鼠标滑过的节点信息(itemRollOver)--------------------------------------------

<?xml version="1.0" encoding="utf-8"?><s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"   xmlns:s="library://ns.adobe.com/flex/spark"   xmlns:mx="library://ns.adobe.com/flex/mx"   minWidth="955" minHeight="600"><fx:Script><![CDATA[import mx.controls.listClasses.IListItemRenderer;import mx.events.ListEvent;private function itemRollOverHandler(e:ListEvent):void{var renderer:IListItemRenderer = contentTree.indexToItemRenderer(e.rowIndex);trace('item rollover: ' + renderer.data.@value);}]]></fx:Script><fx:Declarations><fx:XMLList id="mydata"><item value="1"><item value="1.1"/><item value="1.2"/></item><item value="2"/><item value="3"/></fx:XMLList></fx:Declarations><mx:Tree id="contentTree" width="200" height="50%" dataProvider="{mydata}" itemRollOver="itemRollOverHandler( event )" labelField="@value" showRoot="false"/></s:Application>


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