Flex中如何利用maintainAspectRatio属性使VideoDisplay保持载入时比例的例子

转载 http://blog.minidx.com/2009/06/15/2607.html

 

1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Application name="VideoDisplay_maintainAspectRatio_test"
3.         xmlns:mx="http://www.adobe.com/2006/mxml"
4.         layout="vertical"
5.         verticalAlign="middle"
6.         backgroundColor="white">
8.     <mx:ApplicationControlBar dock="true">
9.         <mx:Form styleName="plain">
10.             <mx:FormItem label="maintainAspectRatio:">
11.                 <mx:CheckBox id="checkBox" />
12.             </mx:FormItem>
13.         </mx:Form>
14.     </mx:ApplicationControlBar>
16.     <mx:VideoDisplay id="videoDisplay"
17.             maintainAspectRatio="{checkBox.selected}"
18.             source="http://helpexamples.com/flash/video/cuepoints.flv"
19.             autoPlay="false"
20.             width="200"
21.             height="200"
22.             click="videoDisplay.play();" />
24. </mx:Application>