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卟惹尘埃 2011-01-14 02:11:08



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

<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 

					   xmlns:s="library://ns.adobe.com/flex/spark" 

					   xmlns:mx="library://ns.adobe.com/flex/mx"

					   xmlns:comonent="comonent.*" xmlns:component="component.*"

					   creationComplete="windowedapplication1_creationCompleteHandler(event)">

	<fx:Style source="./style/greenstyle.css"/>

         <fx:Style source="./style/bluestyle.css"/<!--这里的css样式调用了，起作用了===============-->

	<fx:Script>

		<![CDATA[

			import mx.controls.Alert;

			import mx.events.FlexEvent;

			import mx.events.MenuEvent;

			import mx.rpc.events.ResultEvent;



			

			//接受数据

			protected function httpservice1_resultHandler(event:ResultEvent):void

			{				

				myMenu.listMenu=XML(event.result);

				myMenu.BindMenuData();				

			}

			

			//创建完成时发生

			protected function windowedapplication1_creationCompleteHandler(event:FlexEvent):void

			{

				hs.send();	

				myMenu.addEventListener(mx.events.MenuEvent.ITEM_CLICK,OnMenuItemClick,true);

			}



			//菜单项选择改变时发生

			private function OnMenuItemClick(event:MenuEvent):void

			{

				var obj:Object=event.item.@data;

				Alert.show(obj.toString());			

			}

			private function changestyle()

			{

				StyleManager.loadStyleDeclarations("./style/greenstyle.swf");

                                    <!--但是这里这样调用却不行，点击按钮有错误提示，提示在下面。-->



			}

			

		]]>

	</fx:Script>

	<fx:Declarations>

		<!-- 将非可视元素（例如服务、值对象）放在此处 -->

		<s:HTTPService url="D:\MenuItem.xml" resultFormat="e4x" result="httpservice1_resultHandler(event)" id="hs"/>

	

	</fx:Declarations>

	<fx:Script>

		<![CDATA[

			

		]]>

	</fx:Script>

	<component:SMenuBar id="myMenu" width="100%"/>

	<s:Button x="761" y="2" label="按钮" width="47" click="changestyle()"/>

</s:WindowedApplication>

路径是没有问题的跟css文件在一个包下面，但是.swf文件无法调用，请各位看看是为什么
-------------------------------------
错误提示
A actionscript error has occurred
-------------------------------------
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at <anonymous>()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\styles\StyleManagerImpl.as:1499]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at ModuleInfoProxy/load()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\modules\ModuleManager.as:1121]
at <anonymous>()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\styles\StyleManagerImpl.as:1546]
at flash.utils::Timer/_timerDispatch()
at flash.utils::Timer/tick()

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