Flex4 WindowedApplication (Halo 跟Spark)的区别
Flex4 WindowedApplication (Halo 和Spark)的区别http://opensource.adobe.com/wiki/display/flexsdk/Spar
Flex4 WindowedApplication (Halo 和Spark)的区别
http://opensource.adobe.com/wiki/display/flexsdk/Spark+WindowedApplication
