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Asked: 2026-05-11T03:42:52+00:00

I am having some trouble converting an old project from VS6 to VS2005. At

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I am having some trouble converting an old project from VS6 to VS2005. At one place in the code it uses the type variant_t so it includes comdef.h for this purpose. comdef.h then includes comutil.h which generates these errors for me:

c:\program files\microsoft visual studio 8\vc\include\comutil.h(978) : error C2535: '_variant_t::_variant_t(int) throw()' : member function already defined or declared     c:\program files\microsoft visual studio 8\vc\include\comutil.h(970) : see declaration of '_variant_t::_variant_t' c:\program files\microsoft visual studio 8\vc\include\comutil.h(1007) : error C2535: '_variant_t::operator int(void) const' : member function already defined or declared     c:\program files\microsoft visual studio 8\vc\include\comutil.h(998) : see declaration of '_variant_t::operator int' c:\program files\microsoft visual studio 8\vc\include\comutil.h(1037) : error C2535: '_variant_t &_variant_t::operator =(int)' : member function already defined or declared     c:\program files\microsoft visual studio 8\vc\include\comutil.h(1029) : see declaration of '_variant_t::operator =' c:\program files\microsoft visual studio 8\vc\include\comutil.h(1331) : error C2084: function '_variant_t::_variant_t(int) throw()' already has a body     c:\program files\microsoft visual studio 8\vc\include\comutil.h(970) : see previous definition of '{ctor}' c:\program files\microsoft visual studio 8\vc\include\comutil.h(1588) : error C2084: function '_variant_t::operator int(void) const' already has a body     c:\program files\microsoft visual studio 8\vc\include\comutil.h(998) : see previous definition of '.H' c:\program files\microsoft visual studio 8\vc\include\comutil.h(2006) : error C2084: function '_variant_t &_variant_t::operator =(int)' already has a body     c:\program files\microsoft visual studio 8\vc\include\comutil.h(1029) : see previous definition of '='

There is probably some configuration that is incorrect, some define missing or some include file I should have included but I can’t seem to find the problem. Any pointers in the right direction is much appreciated

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1 Answer

  1. Does your own code do something like this:

    #define long int
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