class hirachy problem
Tue Dec 6 12:26:00 GMT 2005
I'd make fun2 a virtual method in the CAlpha, to avoid the need to do what
you are doing.
But I understand that this is a simplified example to express the concept,
and not a particular situation, so my initial response may not be relevant.
To me there is no difference between using dynamic casts, and using the
pixelTypes technique. Both suffer from lack-of-encapsulation.
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