<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
	<mx:Script>
		<![CDATA[
			import flash.filesystem.File;//引用File类
		]]>
	</mx:Script>
	<mx:Panel x="10" y="10" width="800" height="600" layout="absolute">
		<mx:VBox>
			<mx:HBox><!--添加FileSystemComboBox组件，用以显示和选择文件目录-->
				<mx:FileSystemComboBox id="filecmb" directory="{filedg.directory}" directoryChange="filedg.directory=filecmb.directory"/>
				<mx:Button id="btnBack" label="后退" click="filedg.directory=filedg.directory.parent"/>
			</mx:HBox><!--添加FileSystemDataGrid组件,用以显示文件列表-->
			<mx:FileSystemDataGrid id="filedg" width="100%" height="400" directory="{new File('d:/')}"/>
		</mx:VBox>
	</mx:Panel>
</mx:WindowedApplication>