<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="http://www.adobe.com/2006/mxml"
width="460" height="428">
<s:Group width="400" height="300">
<mx:Script>
import flash.filters.*;
protected const BLUR:Class = flash.filters.BlurFilter;
protected function addFilter(value:Class):void {
var arr:Array = this.filters.concat();
var fil:BitmapFilter = new value() as BitmapFilter;
arr.push(fil);
filters = arr;
}
</mx:Script>
<mx:Button click="addFilter(BLUR)" label="Blur"/>
</s:Group>
</mx:Application>
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