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.NET Forum / Languages / Managed C++ / August 2006Issues with Porting VS6.0 MFC Projects to VS8.0 - Need Help
I am in the midst of porting a massive MFC application from VS6.0 to VS8.0. While i have fixed most of the compile time errors, i do have quite a linker error that i have not been able to resolve. The error i get is Error 100 error LNK2001: unresolved external symbol "public: virtual void __thiscall CWnd::PostNcDestroy(void)" (?PostNcDestroy@CWnd@@UAEXXZ) Evenout.obj I have about 200 of these on almost all the obj's that have a dialog in them(which is understandable). But i do see that the delcaration of CWnd::PostNcDestory( ) in the systems afxwin.h header which is public: // for custom cleanup after WM_NCDESTROY public: virtual void PostNcDestroy(); Do i need to refer to any particular version of SDK/ *.lib or am i missing something. Any help here would be appreciated. >I am in the midst of porting a massive MFC application from VS6.0 to VS8.0. > While i have fixed most of the compile time errors, i do have quite a [quoted text clipped - 16 lines] > missing > something. Any help here would be appreciated. Make sure that you're not still linking against the VC6 version of MFC. Check the project settings and the Tools|Options|Projects and Solutions|C++ Directories to make sure that the VS2005 directories are the only ones on the library search path. -cd Thank you for looking into this. This is what i have set in the Tools Option category. <ToolsOptionsSubCategory name="VCDirectories" RegisteredName="VCDirectories" PackageName="Visual C++ Project System Package"> <PropertyValue name="LibraryDirectories">Win32|$(VCInstallDir)lib;$(VCInstallDir)atlmfc\lib;$(VCInstallDir)atlmfc\lib\i386;$(VCInstallDir)PlatformSDK\lib;$(FrameworkSDKDir)lib;$(VSInstallDir);$(VSInstallDir)lib|x64|$(VCInstallDir)lib\amd64;$(VCInstallDir)atlmfc\lib\amd64;$(VCInstallDir)PlatformSDK\lib\amd64;$(VSInstallDir)SDK\v2.0\lib\amd64|Pocket PC 2003 (ARMV4)|$(VSInstallDir)SmartDevices\SDK\PocketPC2003\lib\ARMV4;$(VCInstallDir)ce\atlmfc\lib\ARMV4;$(VCInstallDir)ce\lib\ARMV4;|Smartphone 2003 (ARMV4)|$(VSInstallDir)SmartDevices\SDK\SmartPhone2003\lib\ARMV4;$(VCInstallDir)ce\atlmfc\lib\ARMV4;$(VCInstallDir)ce\lib\ARMV4;</PropertyValue> <PropertyValue name="ReferenceDirectories">Win32|$(FrameworkDir)$(FrameworkVersion);$(VCInstallDir)atlmfc\lib|x64|$(FrameworkDir)$(FrameworkVersion);$(VCInstallDir)atlmfc\lib\amd64|Pocket PC 2003 (ARMV4)||Smartphone 2003 (ARMV4)|</PropertyValue> <PropertyValue name="ExcludeDirectories">Win32|$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(VCInstallDir)PlatformSDK\include;$(FrameworkSDKDir)include;$(FrameworkDir)$(FrameworkVersion);$(VCInstallDir)atlmfc\lib|x64|$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(VCInstallDir)PlatformSDK\include;$(FrameworkSDKDir)include;$(FrameworkDir)$(FrameworkVersion);$(VCInstallDir)atlmfc\lib\amd64|Pocket PC 2003 (ARMV4)|$(VCInstallDir)ce\include;$(VSInstallDir)SmartDevices\SDK\PocketPC2003\include;$(VCInstallDir)ce\atlmfc\include;$(VSInstallDir)SmartDevices\SDK\SQL Server\Mobile\v3.0;;|Smartphone 2003 (ARMV4)|$(VCInstallDir)ce\include;$(VSInstallDir)SmartDevices\SDK\SmartPhone2003\include;$(VCInstallDir)ce\atlmfc\include;$(VSInstallDir)SmartDevices\SDK\SQL Server\Mobile\v3.0;;</PropertyValue> <PropertyValue name="IncludeDirectories">Win32|C:\Development\projects\Zipl_src;$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(VCInstallDir)PlatformSDK\include;$(FrameworkSDKDir)include|x64|$(VCInstallDir)include;$(VCInstallDir)atlmfc\include;$(VCInstallDir)PlatformSDK\include;$(FrameworkSDKDir)include|Pocket PC 2003 (ARMV4)|$(VCInstallDir)ce\include;$(VSInstallDir)SmartDevices\SDK\PocketPC2003\include;$(VCInstallDir)ce\atlmfc\include;$(VSInstallDir)SmartDevices\SDK\SQL Server\Mobile\v3.0;|Smartphone 2003 (ARMV4)|$(VCInstallDir)ce\include;$(VSInstallDir)SmartDevices\SDK\SmartPhone2003\include;$(VCInstallDir)ce\atlmfc\include;$(VSInstallDir)SmartDevices\SDK\SQL Server\Mobile\v3.0;</PropertyValue> <PropertyValue name="SourceDirectories">Win32|$(VCInstallDir)atlmfc\src\mfc;$(VCInstallDir)atlmfc\src\mfcm;$(VCInstallDir)atlmfc\src\atl;$(VCInstallDir)crt\src|x64|$(VCInstallDir)atlmfc\src\mfc;$(VCInstallDir)atlmfc\src\mfcm;$(VCInstallDir)atlmfc\src\atl;$(VCInstallDir)crt\src|Pocket PC 2003 (ARMV4)|$(VCInstallDir)ce\atlmfc\src\atl\;$(VCInstallDir)ce\atlmfc\src\mfc\;$(VCInstallDir)ce\crt\src\|Smartphone 2003 (ARMV4)|$(VCInstallDir)ce\atlmfc\src\atl\;$(VCInstallDir)ce\atlmfc\src\mfc\;$(VCInstallDir)ce\crt\src\</PropertyValue> <PropertyValue name="ExecutableDirectories">Win32|$(VCInstallDir)bin;$(VCInstallDir)PlatformSDK\bin;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)bin;$(FrameworkDir)$(FrameworkVersion);$(VSInstallDir);$(VSInstallDir)\SDK\v2.0\bin;$(SystemRoot)\SysWow64;$(FxCopDir);$(PATH)|x64|$(VCInstallDir)bin\x86_amd64;$(VCInstallDir)bin;$(VCInstallDir)PlatformSDK\bin;$(VSInstallDir)Common7\Tools\bin;$(VSInstallDir)Common7\tools;$(VSInstallDir)Common7\ide;$(ProgramFiles)\HTML Help Workshop;$(FrameworkSDKDir)bin;$(FrameworkSDKDir)lib\win64;$(FrameworkDir)$(FrameworkVersion);$(FxCopDir);$(PATH)|Pocket PC 2003 (ARMV4)|$(VCInstallDir)ce\bin\x86_arm;$(VCInstallDir)bin;$(VCInstallDir)PlatformSDK\bin;$(VSInstallDir)Common7\Tools;$(VSInstallDir)Common7\IDE;$(VSInstallDir)Common\Tools;$(VSInstallDir)Common\IDE;$(VSInstallDir);$(FrameworkSDKDir)Bin;$(PATH);|Smartphone 2003 (ARMV4)|$(VCInstallDir)ce\bin\x86_arm;$(VCInstallDir)bin;$(VCInstallDir)PlatformSDK\bin;$(VSInstallDir)Common7\Tools;$(VSInstallDir)Common7\IDE;$(VSInstallDir)Common\Tools;$(VSInstallDir)Common\IDE;$(VSInstallDir);$(FrameworkSDKDir)Bin;$(PATH);</PropertyValue> </ToolsOptionsSubCategory> and i did set an env variable VCInstallDir to the correct path(which i am hoping would override whatever studio has) C:\Documents and Settings\User>set VCInstalldir VCInstallDir=C:\Program Files\Microsoft Visual Studio 8 Am I missing something. Also want to metion that i do have 2 third party math libraries(*.lib) that are not built using VS2005. But they do link fine using VS2003 and VS6.00. Not sure if this should have any effect. Regards Bk > >I am in the midst of porting a massive MFC application from VS6.0 to VS8.0. > > While i have fixed most of the compile time errors, i do have quite a [quoted text clipped - 23 lines] > > -cd The issue has been resolved. The following actions were taken to resolve the issue: 1. VS 2005 was uninstalled 2. Visual Studio .NET2003 was uninstalled 3. VS 2005 was uninstalled 4. A clean rebuild. Looks like the initial installation order of VS 6.0 VS 2005 VS.NET2003 throws the env in a form that confuses VS2005. > Thank you for looking into this. > [quoted text clipped - 83 lines] > > > > -cd > The issue has been resolved. > > The following actions were taken to resolve the issue: > 1. VS 2005 was uninstalled > 2. Visual Studio .NET2003 was uninstalled > 3. VS 2005 was uninstalled I assume you meant reinstalled... > 4. A clean rebuild. > [quoted text clipped - 3 lines] > VS.NET2003 > throws the env in a form that confuses VS2005. That's not shocking. It's probably always best to install in order of release date... -cd Yep!!.. So here are the steps.. > > 1. VS 2005 was uninstalled > > 2. Visual Studio .NET2003 was uninstalled > > 3. VS 2005 was re-installed > > The issue has been resolved. > > [quoted text clipped - 17 lines] > > -cd Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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