Deriving from VTK classes?

[Roland Schwarz]

Hello Matt,

>
>.... otherwise use dynamic_cast, or GetClassName, or some
>nifty datastructures to keep track.
>
>This should definitely not be added to VTK for the reason that it would
>destroy VTK. ...
>

Agreed, but then the windows version of the vtkdll should have 
Runtime-Type-Checking turned on. This is a compiler switch which
currently is not set when using PC maker (as far as I know).

Yours,
Roland



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