Flex中如何通過建立新的XML命名空間（namespace），在MXML中使用flash.filters類

1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Applicationxmlns:mx="http://www.adobe.com/2006/mxml"
3. xmlns:flash.filters="flash.filters.*"
4. layout="vertical"
5. verticalAlign="middle"
6. backgroundColor="white">
7. <mx:Arrayid="filterArray">
8. <flash.filters:DropShadowFilterid="dropShadowFilter"
9. angle="90"
10. blurX="5"
11. blurY="5"
12. distance="2"
13. alpha="0.9"
14. color="0xFF0000"/>
15. <flash.filters:BlurFilterid="blurFilter"
16. blurX="3"
17. blurY="3"
18. quality="3"/>
19. </mx:Array>
20. <mx:Labeltext="{flash.system.Capabilities.version}"
21. fontSize="32"
22. filters="{filterArray}"/>
23. </mx:Application>