在FLEX中动态更换CSS样式表

StyleManager类的StyleManager.loadStyleDeclarations() 方法.
示例：

代码：

<? xml version="1.0" encoding="utf-8" ?>
<!--  http://blog.flexexamples.com/2007/12/12/loading-cascading-style-sheets-on-the-fly-using-the-flex-stylemanager-class/  -->
< mx:Application  xmlns:mx ="http://www.adobe.com/2006/mxml"
        layout ="vertical"
        verticalAlign ="middle" >

     < mx:Script >
         <![CDATA[
            import mx.styles.StyleManager;

            private function loadStyles(styleURL:String):void {
                StyleManager.loadStyleDeclarations(styleURL);
            }
         ]]>
     </ mx:Script >

     < mx:ApplicationControlBar  dock ="true" >
         < mx:ComboBox  id ="comboBox"
                prompt ="Please select a style"
                change ="loadStyles(comboBox.selectedItem.data);" >
             < mx:dataProvider >
                 < mx:Array >
                     < mx:Object  label ="red"  data ="styles/red.swf"   />
                     < mx:Object  label ="green"  data ="styles/green.swf"   />
                     < mx:Object  label ="blue"  data ="styles/blue.swf"   />
                 </ mx:Array >
             </ mx:dataProvider >
         </ mx:ComboBox >
     </ mx:ApplicationControlBar >

</ mx:Application >