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How to access variable from within a movieclip code

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i have variable a=0 and i want a movieclip that runs to change it to 2, what do i write in the movieclip code ?
i tried parent.a=2 but it's error.
thanks

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kgladCorrect answer

Community Expert

if parent is the correct path to a, cast it as a movieclip and retry:

MovieClip(parent).a=2;

kglad

Community Expert

you're welcome.

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SuperjetsAuthor

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thank you both

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robdillon

Participating Frequently

Where is a in relation to the movieClip? Are they both attached to the same display object? If that's the case, then the path will be a = 2. If the variable is attached to a parent display object then the path may be MovieClip(parent).a = 2.

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29821938bjvh

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I assume "MovieClip" is the instance name of the movie clip right? What if there is no instance name, because I have placed 200 of the same movieclip on stage manually? But I would like to access the variable on the root level / main timeline. How would the code look like?

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kglad

Community Expert

MovieClip is not an instance and cannot be an instance name (or anything other than an adobe defined class) and is a reserved word. in my first post here i used it to coerce animate into understanding parent was a movieclip. otherwise, the compiler might think there's an error.

in as3, the root timeline can always be referenced by,

root

and, for some things you may need to cast it as a movieclip (assuming it is one)

MovieClip(root)

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kglad

Correct answer

Community Expert

if parent is the correct path to a, cast it as a movieclip and retry:

MovieClip(parent).a=2;

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