Hi all, I've wondered about this for a while, but never asked.
When I create a GUI widget, I attach a callback: (define b (new button% [... ...] [callback (lambda (b e) ...)] ...)) Is it possible to attach a callback at runtime? The docs say "no," but I thought I'd ask regardless. Perhaps what I want to ask is "why?" I can't remember, at this point, why I thought I needed this functionality... but, I've always wondered why I wasn't able to do this. (Perhaps I was wondering this as I was thinking about a Qt-ish slot/connection model... I don't know.) Many thanks, Matt
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