Re: Virtual function issue.

Have you tried posting to the Python C++ group? You may get more 
responses there.

[email protected]

John.



Kamal wrote:
> Hello,
> 
> I have created a Python wrapper using a custom smart pointer that is defined 
> in the following manner:
> 
> class_<EventWrapper, noncopyable, Ptr<EventWrapper>>("Event", init<>())
>     .def("f", &Event::f, &EventWrapper::default_f).
>   implicitely_convertible<Ptr<EventWrapper>, Ptr<Event>>();
>   register_ptr_to_python<Ptr<Event>>();
> 
> Now... when I subclass this in Python like so:
> 
> class MyEvent(Event):
>   def f(self):
>     return 42
> 
> I can use MyEvent as expected only within Python code... when I pass an 
> instance of MyEvent to C++,
> and then C++ passed back MyEvent back to Python, I no longer am able to call 
> the overridden method f
> in Python.  Calling f in Python invokes Event::f, as opposed to MyEvent.f
> 
> This only happens when I construct MyEvent in Python code, pass the instance 
> to some C++ code, and have
> the C++ code pass back the MyEvent instance back to Python.
> 
> Any ideas why this may be?
> 
> Thanks. 
> 
> 
> 
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Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are
powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
easily build your RIAs with Flex Builder, the Eclipse(TM)based development
software that enables intelligent coding and step-through debugging.
Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com