I'm using Flex 4.0, with the Halo theme, and a custom component that I have the source of. I want to call the component with a parameter to hide or show some items. The parameter is dynamic, meaning it is set in a method after the mxml has loaded.I'm using Flex 4.0, with the Halo theme, and a
阅读背景：
如何在Flex中动态更新mxml属性？
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