It is now possible for the overriding method to hide state from your class. I think if you want to enforce this invariant you need an augmentable method.
On Oct 15, 2012, at 10:45 AM, Danny Yoo wrote: > Oh, I forgot about allowing the subclass to process the events too! > Add the following to the end of the on-subwindow-char method: > > (super on-subwindow-char receiver key-event) > > Full source code is here: > > https://gist.github.com/3892860 > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users