flex4 application设置滚动条--不过需要注意不要设置application的minwidth而是
设置第一个容器的minwidth
最正確的作法是用 Application Skin Class
在 Content Group 外包一層 Scroller 就好了
http://butterfliesandbugs.wordpress.com/2009/03/13/how-to-add-a-scrollbar-to-a-gumbo-application/
这个是在别处看的，不过这个地址好像不能用了，附上皮肤类的代码
<?xml version="1.0" encoding="utf-8"?>
<!--?http://blog.flexexamples.com/2010/11/03/adding-scroll-bars-to-an-spark-application-container-in-flex-4/?-->
<s:Skin name="MyApplicationSkin"
??xmlns:fx="http://ns.adobe.com/mxml/2009"
??xmlns:s="library://ns.adobe.com/flex/spark"
??xmlns:fb="http://ns.adobe.com/flashbuilder/2009"
??alpha.disabledStates="0.5">
?<!-- states -->
?<s:states>
??<s:State name="normal" stateGroups="normalStates" />
??<s:State name="disabled" stateGroups="disabledStates" />
??<s:State name="normalWithControlBar" stateGroups="normalStates" />
??<s:State name="disabledWithControlBar" stateGroups="disabledStates" />
?</s:states>
?
?<fx:Metadata>
??[HostComponent("spark.components.Application")]
?</fx:Metadata>
?
?<fx:Script fb:purpose="styling">
??<![CDATA[
???override protected function updateDisplayList(unscaledWidth:Number,unscaledHeight:Number):void {
????super.updateDisplayList(unscaledWidth,unscaledHeight);
???}
??]]>
?</fx:Script>
?
?<!-- fill -->
?<!---
?A rectangle with a solid color fill that forms the background of the application.
?The color of the fill is set to the Application's backgroundColor property.
?-->
?<s:Group left="0" right="0" top="0" bottom="0">
??<s:layout>
???<s:VerticalLayout gap="0" verticalAlign="middle" />
??</s:layout>
??<s:Scroller id="contentScroller" width="100%" height="100%">
???<s:Group id="contentGroup" minWidth="0" minHeight="0" />
??</s:Scroller>
?</s:Group>
?
</s:Skin>
转载：http://www.voidcn.com/article/p-hvjjcqap-hq.html
