I've come from a smalltalk background (not that it is useful for 
anything anymore) which has to be one of the most anal OOP environments 
there is...

in Al's example:
"you have a behavior that moves a slider around that needs the current 
position data"

        ...Maybe your approach is still too procedural. Can the slider not 
just tell the object its new position once it gets moved and have the 
object calculate the new movie position from this. These kind of 
discussions are hard with hypothetical examples. Its also very difficult 
for us lingo OOP people because we only have half an OOP environment. If 
you want to make a subclass of a text box so that you don't have to 
re-invent the textbox wheel, but you want to add a few funky methods of 
your own...Where do you go?

Pete

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