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

 

<?xml
version="1.0"
encoding="utf-8"?>
<mx:Application
name="VideoDisplay_maintainAspectRatio_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:ApplicationControlBar
dock="true">
        <mx:Form
styleName="plain">
            <mx:FormItem
label="maintainAspectRatio:">
                <mx:CheckBox
id="checkBox"
/>
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:VideoDisplay
id="videoDisplay"
            maintainAspectRatio="{checkBox.selected}"
            source="http://helpexamples.com/flash/video/cuepoints.flv"
            autoPlay="false"
            width="200"
            height="200"
            click="videoDisplay.play();"
/>

</mx:Application>