[plt-scheme] Dialog% not accepting frame% subclasses as parent?

Am Mittwoch, 16.10.02, um 00:52 Uhr (Europe/Berlin) schrieb Robert 
Bruce Findler:

> It seems to work for me:
>
> (define f (instantiate frame% ()
>             (label "frame")))
> (define d (instantiate dialog% ()
>             (parent f)
>             (label "")))
> (send f show #t)
>

Hm, this code works with my version as well. I'll check my code again 
-- it probably was my fault.

Thanks for the quick response!

-- Erich