AS2 setMask: can a mask be a movie clip composed of child movieclips?

Hi,
I create dynamically a empty movieclip and attach to it
several movieclips
symbols from the library and call it "mcMask".
Then I try to mask another dynamicaly created movieclip
called "mc" using :
mc.setMask(mcMask).
But it only partially works (some child clips of mcMask
actually mask mc,
but others don't).
Why?
Can't setMask work with a mask composed of child movieclips?
Thanks for your help.
Henri

PArt of the problem will be due to declaring the uiLoader inside of a function. When you do that you limit its scope to within that function. You should declare it outside of any function if you need to access it in more than one function.
import flash.events.MouseEvent;
import fl.motion.MotionEvent;
var uiLoader:UILoader;
var targetObj:Object;
The other problems I see regard the line you point to. It is not spelling the name the same, using a lowercase "l". Also, if you want to target what the UILoader contains, you should target its "content" property, as in...
targetObj = uiLoader.content.mask_01

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AS2 setMask: can a mask be a movie clip composed of child movieclips?

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