Flex DataGrid HeaderRender 实例
<mx:DataGridColumn id="column_1" width="{SMALL_COLUMN_WIDTH}" sortable="true" headerRenderer="com.DataGridHeader" headerText="No." dataField="runnerNumber"><mx:itemRenderer><fx:Component><mx:Boxwidth="30" height="100%" verticalAlign="middle" verticalScrollPolicy="off" horizontalScrollPolicy="off" buttonMode="true" useHandCursor="true" mouseChildren="false"><mx:Label text="{data.runnerNumber}" width="100%" height="15" textAlign="center" buttonMode="true" useHandCursor="true" mouseChildren="false" /></mx:Box></fx:Component></mx:itemRenderer></mx:DataGridColumn>?<?xml version="1.0" encoding="utf-8"?><s:MXDataGridItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" focusEnabled="true" autoDrawBackground="false" ><s:Label id="lblData" buttonMode="true" useHandCursor="true" text="{dataGridListData.label}" top="0" left="0" right="0" bottom="0" paddingLeft="4" paddingRight="4" verticalAlign="middle" /></s:MXDataGridItemRenderer>