GetClassInfo problem solved

[Riccardo Cohen]

For those who use win->GetClassInfo(); on wxWindow subclasses, be very
carefull on MS windows

I had a wxPanel subclass whose win->GetClassInfo(); returned wxPanel's
one instead of my subclass one. There was no compilation problem, and it
worked perfecly with GCC, but microsoft didn't seem to call the good
virtual function. I couldn't reproduce on a little sample, it did that
only in my big projet...

I finally found (by chance) that adding this :

#undef GetClassInfo

after all includes, 1) in the header, and 2) in the cpp, did change
something : wx macros DECLARE_CLASS & IMPLEMENT_CLASS are building a new
function in your class : GetClassInfo(), but because of Microsoft macro
#define GetClassInfo GetClassInfoA !!! it changes its name ...

undef it and it works.

(maybe a little word in the doc of rtti overview would be nice ?)

Thank you for your attention :)

--
Très cordialement,

Riccardo Cohen
-------------------------------------------
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[Igor Korot]

Hi, ALL,
IIRC (I am at work now), at least 2.8 says in comments:

"Not all compilers support dynamic_cast, so here is a little
hack to get this implemented"

I would be very interested what compilers it's talking about.

Thank you.