ActionScript 3.0 :: Read The Width Of The Movieclip?

Jun 14, 2010

The task I'm gonna perform should be pretty simple: Inside an object I've created ,which extends MoviClip, I pickup a movieclip that stands on main timeline (root) with the getChildByName() method. Once I picked up the Movieclip I would like to read the width of the movieclip and here comes the problem. The movieclip is composed by two level: A mask level (169px width) and another level with an image of 331px width. When I  attempt to get the width of the movieclip it returns the unmasked movieclip width (331px) instead of the maksed size(169px). I also tried with the getBounds() method but it returns the same value.
 
The movieclip is masked within flash (not through actionscript). A possible solution would be giving a name to the mask inside the movieclip and then perform another getChildByName and read the size of the mask, but this wouldn't be a very clear solution (also because I will have to deploy this to another people not very familiary to flash , so they might forgot to properly name the mask and all this kind of program. The best solution would remain automatically detecte the masked width of the movieclip).
 
I would like to understand why flash consider the whole Movieclip content width disregard the applied mask.

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