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Asked: 2026-05-27T10:58:13+00:00

I am creating a VC++2008 Windows Form Application which needs some classes from our

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I am creating a VC++2008 Windows Form Application which needs some classes from our old VC6 project.

Then I have to add afxwin.h and afxmt.h into the stdafx.h to get compile fine. But when I run it, it crash with this information:

enter image description here

In order to find the cause, I removed all files from old project and just leave files created by IDE (professional version). It is still the same. Then I commented out these #include of afxwin.h and afxmt.h in the stdafx.h file, it worked fine (still no old files). If put back those #include it will crash again.

My project configruation is like this:
enter image description here

If I change Common Language Runtime Support to No Common Language Runtime Support. The code generated by IDE cannot be compiled. Other options are not good as well.

There must be a way to avoid the crash. Anybody can help me?

EDIT:

in the error dialog window, there is a line: File: f:\dd\vctools\crt_dbd\self_x86\crt\src\dbgheap.c But I don’t have f drive on my machine. why??

EDIT 2:

it worked if I run Release. why??

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1 Answer

  1. Editorial Team

    MFC is not getting initialized properly in this scenario. Right-click your Winforms project, Properties, Linker, Input. Set the “Force Symbol References” setting to __DllMainCRTStartup@12.

    Connect feedback article is here.

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