"Robert Ludewig" <rludewig@gmx.de> wrote in message
news:%23WFnkUNAGHA.2736@TK2MSFTNGP11.phx.gbl...
>I have sucessfully imported and compiled a complex MFC 6.0 project from
>vc++6.0 (MFC6.0) into vc++ 8.0 (MFC 8.0). It contains several subprojects
>(libs and dlls). In vc++ 6.0 those project linked MFC6.0 statically and
>after I imported it to vc++ 8.0 I set the linkage of MFC8.0 to "shared" (I
>want to introduce some c++/CLI code later). However when I try to compile
>and link the project in vc++ 8.0 in release mode (debugmode works fine) I
>get an acess violation in afxcomctl32.inl. This happnes whenever I call any
>of the CImageList methods. When I comment out all lines that call mehtods
>of CImageList everything work fine in release mode too.
>
> When I look at the disassembly the crash pattern is always the same. The
> access violation always happens after a call of AfxGetModuleState and
> before a call to CComCtlWrapper::_ImageList_XXX
>
> disassembly:
>
> 004DE7F5 call AfxGetModuleState (49CE2Ah)
> 004DE7FA mov eax,dword ptr [eax+90h] // it is always 90h added
> 004DE800 mov ecx,dword ptr [eax] <------------ access violation
> !!!!
> 004DE802 call CComCtlWrapper::_ImageList_GetIcon (49E158h)
> ( the last line can be interchanged by
> CComCtlWrapper::_ImageList_GetImageCount (49A805h) or any other call to
> CImageList mehtods )
>
> registers:
>
> EAX = 00000004 EBX = 00180940 ECX = 781FF81B EDX = 782BA9DC
> ESI = 7821A936 EDI = 00000000 EIP = 004DE800 ESP = 0012BB04
> EBP = 0012BB5C EFL = 00000206
>
> Can any explain what is going on here and give me hints how to solve this
> problem? What does AfxGetModuleState do? What is afxcomctl32.inl ? What
> could be obvious places to look for ? Is this a know bug in vc++ 8? I have
> found a bug in vc++ 8.0 that is STILL UNRESOLVED that somehow looks a
> little similar to mine:
> http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=132410&SiteID=1
>
> Nevertheless the problem described there and the workaround suggested does
> not fit here, since all of my projects have the allignment set to default
> and nowhere in my project I see any #pragma pack directives.
>
> Also I wonder what the purpose of the addition of 90h in this line is:
> 004DE7FA mov eax,dword ptr [eax+90h]
>
>

> Hi,
>
> I do not recall any change in VC8 that may impact this scenario.
> Unfortunately I cannot see topic on forums, looks like website is closed for
> maintenance. I would recommend reducing your project to a small repro that
> works in VC6 but AV on VC8. Then open a bug report to
> http://lab.msdn.microsoft.com/productfeedback/. Our dev team will
> investigate this and either fix the issue or recommend workaround.
> Alternative way is contacting Developer Support team, they may help you with
> that also.
>
> Thanks,
> Nikola