Polymorphism of wxWindows

[Vadim Zeitlin]

On 2 Sep 2006 13:50:43 -0700 63q2o4i02 at sneakemail.com wrote:

> Hi, I was trying to access a member function of a wxPanel by using a
> wxWindow* pointer that had been assigned to a wxPanel.  I don't
> remember the name of the function,

 ... but it wasn't a virtual one. Polymorphism only works for virtual
functions in C++.

> Same thing for MyApp derived from wxApp... I tried accessing a member
> variable of MyApp with a wxApp* pointer that had been assigned to
> MyApp, and the compiler didn't like it.
> 
> Is this normal behavior or am I doing something wrong?

 Yes, this is normal behaviour. Use wxGetApp() to retrieve the app object
of the "correct" type (and see also DECLARE_APP() macro).

 Regards,
VZ
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