Flash Builder4.0新建Flex应用程序切换主题出错

1、错误描述

2、错误原因

<?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" 
			   width="100%" height="100%">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	
	<mx:VBox width="99%" height="99%" borderVisible="true" borderStyle="solid" borderColor="#FF0000"
			 paddingBottom="5" paddingLeft="5"  paddingRight="5" paddingTop="5">
		
		<mx:HBox width="100%" height="25%" borderVisible="true" borderStyle="solid" borderColor="#00FF00">
			
		</mx:HBox>
		
		<mx:HBox width="100%" height="50%" borderVisible="true" borderStyle="solid" borderColor="#0000FF"
				 paddingBottom="5" paddingLeft="5" paddingRight="5" paddingTop="5">
			 
			<mx:VBox width="25%" height="100%" borderVisible="true" borderStyle="solid" borderColor="#456745">
				
			</mx:VBox>
			
			<mx:VBox width="50%" height="100%" borderVisible="true" borderStyle="solid" borderColor="#ED7867">
				
			</mx:VBox>
			
			<mx:VBox width="25%" height="100%" borderVisible="true" borderStyle="solid" borderColor="#123298">
				
			</mx:VBox>
			
		</mx:HBox>
		
		<mx:HBox width="100%" height="25%" borderVisible="true" borderStyle="solid" borderColor="#006778">
			
		</mx:HBox>
		
	</mx:VBox> 
	
</s:Application>

  中的borderVisible="true"在halo主题中不能识别

3、解决办法

   去掉borderVisible="true"