Coded SWF Properties in Flash Builder 4

i want to add a SWF metadata tag to an ActionScript Project in Flash Builder 4, that denote开发者_StackOverflows the default size and background color of the swf.

i can do this in Flash Professional, but it doesn't work with ActionScript projects in FB4? can i not include this tag? i know i can set these properties in the properties panel, but i'd like to have them in my code.

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oh, never mind. dumb move on my part. this metadata tag needs to be place just before the class declaration.

[SWF(width="1800", height="600", frameRate="60", backgroundColor="#0")]
public class Test extends Sprite
     {
     ...
     }

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This works, but it seems to throw a warning in Flash Builder 4.7

To resolve the warning, the meta data line must precede directly before the Class function.

package{
    import xyz;

    [SWF(width='640',height='480',backgroundColor='#6cf354',frameRate='25')]
    public class main extends Sprite {