>Is there a need to use on PrepareFrame? Can't I just use  on EnterFrame?
>The first statement distinctly reads:
>
>'the playback head enters a frame'
>
>so the time differerence is actually negligible? Can't changes  be done
>directly with the on EnterFrame command?


Another key difference with PrepareFrame is that it happens when you 
do an updatestage in your Lingo. ExitFrame doesn't happen at that 
time. You have to be careful, because you can end up appearing to get 
very high frame rates if you move things on prepareframe, and then do 
lots of updatestages in a repeat loop.


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