[vtkusers] Problems with vtkWin32Header.h (I think)

[Matthew D. DiFranco]

I have just started looking at a program that uses VTK, and I am new 
to it. I am trying to compile the program as is on Windows XP in 
Visual C++ 6.0 using VTK 4.2. VTK compiles without a problem, but 
when I go to compile the code, I get the following error:

'vtkResampleSurface Filter uses undefined class VTK_HYBRID_EXPORT'

and a few others like it, followed by a whole bunch of errors related 
to that one. Having done some investigation, I've discovered that 
this error is due to the following class definition:

class VTK_HYBRID_EXPORT vtkResampleSurfaceFilter : public 
vtkPolyDatatoPolyDataFilter

Upon further searching, I discovered that the rogue VTK_HYBRID_EXPORT 
is a macro defined in vtkWin32Header.h which should translate to 
__declspec(dllexport) or __declspec(dllimport), depending on the 
existence of the vtkHybrid_EXPORTS flag.

 From my searching on the MSDN, I have discovered that the __declspec 
business has to do with importing and exporting to and from dll's. I 
don't really understand that stuff, but I'd really like to figure out 
how to get my program to recognize the existence of this macro 
definition so that it will compile. Anybody know what needs to happen?

Matt