Re: C2872 IServiceProvider ambiguous symbol - migrating C++/MFC App with /clr to Visual Studio 2005

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Hi Phnimx,

You are welcome.

Based on my research, there may be several causes to this LNK2022 error.
One is caused by using anonymous structures in Managed C++:
"FIX: Error LNK2022: Metadata Operation Failed (8013118D)"
http://support.microsoft.com/default.aspx/kb/324088

If you did not use anonymous structures in your application, this KB is not
related.

Another more possible cause is the inconsistent _WIN32_IE & _WIN32_WINNT
definitions which causes inconsistent _PROPSHEETPAGEA structure size and
layout during link-time.

To resolve this issue you may try to add the following statement in
stdafx.h, which re-defines _WIN32_IE and _WIN32_WINNT:

#if (_WIN32_IE <0x0400)
#define _WIN32_IE 0x0401
#endif

#if (_WIN32_WINNT < 0x0500)
#define _WIN32_WINNT 0x0500
#endif

This ensures a compatible definition and I hope you are able to link the
application successfully.

The 3rd possibility is the windows.h header file alignment incompatible, if
you have the following setting:
Under Configuration Properties->C/C++->Code Generation->set Struct Member
Alignment: 1 Byte (/Zp1)

Since windows.h header files require 8 packing, you need to force the
compiler to do this. You may wrap your Windows.h header file with #pragma
pack(8):

#pragma pack(8)
#include <windows.h>
#pragma pack()

The link below speaks more about pragma directives:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html
/_predir_pragma_directives.asp

Hope this helps.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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