actionscript 3 - When to use ContainerMovieClip and when to use UIMovieClip? -

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i using flex flash builder 4 , provides 2 classes work custom flash professional components, containermovieclip , uimovieclip.

i confused on when use containermovieclip , when use uimovieclip.

since containermovieclip can hold 1 component, don't see how better placing component directly on design area.

i have thought of using inner frame arrange multiple components can moved modifying x,y coordinates of container, understand isn't how works, right?

i'd appriciate if answer or direct me article on

1) when use uimovieclip , when use containermovieclip?

2) why containermovieclip can hold single component?

thanks.

raamee

adobe's docs useful , 90% of time answer questions.

http://help.adobe.com/en_us/flashplatform/reference/actionscript/3/mx/flash/uimovieclip.html

http://help.adobe.com/en_us/flashplatform/reference/actionscript/3/mx/flash/containermovieclip.html


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