RE: [newbie][long]Pure virtual function call :(

That's no low-level question -- as you call it. If you got the project off a
cd from the book -- it should work as-is -- however -- if you created it and
re-entered the code, there could be many conflicts -- try turning of
precompiled headers in your project.

"Noone Nowhere" wrote:

> Hi.
>
> I'm Visual C++ 6 newbie. I'm trying to compile some simple
> source from Rick Leinecker's book (Visual C++ Bible). It's
> MFC AppWizard exe. I'm usign VC++ 6. The problem is, when I
> compiling I get an error like below. I think sources are ok.
> Maybe it's my environment problem? Some configuration mistake
> (now it's default). However, sources are available:
> http://www.haragi.webpark.pl/learnide.zip
> If someone would like to help... ;) sorry about so low level
> of my question, but I really don't know how to solve the problem.
> I've found similar threads on newsgroups, but without any answer.
> Google found also http://tinyurl.com/bacyw, and
> http://support.microsoft.com/kb/q181265/, but I don't think it's
> the exactly my problem way to solve. Maybe I'm wrong, but as I said,
> I'm newbie ;). Big thanks for answer.
>
> Compiling...
> StdAfx.cpp
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) : error
> C2259: 'IRpcStubBuffer' : cannot instantiate abstract class due to
> following members:
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8062) : see declaration of 'IRpcStubBuffer'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'long __stdcall IUnknown::QueryInterface(const struct _GUID
> &,void ** )' : pure virtual function was not defined
> c:\program files\microsoft visual studio\vc98\include\unknwn.h(109)
> : see declaration of 'QueryInterface'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'unsigned long __stdcall IUnknown::AddRef(void)' : pure
> virtual function was not defined
> c:\program files\microsoft visual studio\vc98\include\unknwn.h(113)
> : see declaration of 'AddRef'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'unsigned long __stdcall IUnknown::Release(void)' : pure
> virtual function was not defined
> c:\program files\microsoft visual studio\vc98\include\unknwn.h(115)
> : see declaration of 'Release'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'long __stdcall IRpcStubBuffer::Connect(struct IUnknown *)'
> : pure virtual function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8065) : see declaration of 'Connect'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'void __stdcall IRpcStubBuffer::Disconnect(void)' : pure
> virtual function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8068) : see declaration of 'Disconnect'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'long __stdcall IRpcStubBuffer::Invoke(struct
> tagRPCOLEMESSAGE *,struct IRpcChannelBuffer *)' : pure virtual function was
> not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8070) : see declaration of 'Invoke'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'struct IRpcStubBuffer *__stdcall
> IRpcStubBuffer::IsIIDSupported(const struct _GUID &)' : pure virtual
> function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8074) : see declaration of 'IsIIDSupported'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'unsigned long __stdcall IRpcStubBuffer::CountRefs(void)' :
> pure virtual function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8077) : see declaration of 'CountRefs'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'long __stdcall
> IRpcStubBuffer::DebugServerQueryInterface(void ** )' : pure virtual
> function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8079) : see declaration of
> 'DebugServerQueryInterface'
> c:\program files\microsoft visual studio\vc98\include\ocidl.h(1571) :
> warning C4259: 'void __stdcall IRpcStubBuffer::DebugServerRelease(void *)'
> : pure virtual function was not defined
> c:\program files\microsoft visual
> studio\vc98\include\objidl.h(8082) : see declaration of
> 'DebugServerRelease'
> Error executing cl.exe.
>
> learnide.exe - 1 error(s), 10 warning(s)
> --
> regards
>
.

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