[racket-dev] okay to call init-auto-scrollbars multiple times on a canvas%?

Yes, it's ok to call that method multiple times.

At Tue, 14 Jan 2014 10:44:39 -0800, John Clements wrote:
> I’m implementing (not-horribly-clunky) zooming for sound waves in rsound, and 
> I like the auto-scrollbars mechanism.  One question is what should happen when 
> the user zooms in. I’d like to change the virtual-size.  The obvious solution 
> is to call “init-auto-scrollbars” again. This seems to work, but the name 
> “init-auto-scrollbars” gives me pause. Is it okay to call init-auto-scrollbars 
> again on a canvas?
> 
> If so, I’ll add a note to the docs.
> 
> Many thanks!
> 
> John
> 
> 
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