Darren New wrote:

> Actually, I think that clued me in a bit. They *are* all of type 
> "object". ;-)
> 
> So I could just have a list of objects, and when I get an update, 
> (dynamic)-cast each element to a IUpdatable and invoke that if it works; 
> when I get a draw, cast each to an IDrawable and invoke that if it 
> works, etc.
> 
> Ugly, but it'll do the trick, I think.

Ah yes, ye olde "upcast everything to Object" antipattern. :-D

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