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I am trying to build a project in VC++2008 and it is giving the following error:
error C2664: 'HRESULT ATL::CComVariant::ReadFromStream
(IStream *,VARTYPE,ATL::ClassesAllowedInStream,DWORD)' :
cannot convert parameter 3 from 'const int' to 'ATL::ClassesAllowedInStream'
c:\program files (x86)\microsoft visual studio 9.0\vc\atlmfc\include\atlcom.h
6054
Can anyone help?
This is an error that stems from a bug in the VS2008 Service Pack 1 installation. I had the same problem.
A workaround for me was to reinstall VS 2008 (setup option "repair/clean new install") and then immediately install SP1.
The bug occurs if a Windows SDK is installed between the installation of VS2008 and SP1. In this case, the VS2008 SP1 installation updates the file
atlcom.h, but fails to update its included fileatlcomcli.haccordingly, thusClassesAllowedInStreamis undefined.See the discussions on MSDN Social and in this mailing list.