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Asked: 2026-05-13T11:46:34+00:00

Having A.dll which is a managed c++ project (no other dependencies) From B.dll which

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Having A.dll which is a managed c++ project (no other dependencies)
From B.dll which is a C# project where A.dll is referenced having a Nunit method foo().
If calling the managed c++ code from foo() I got FileNotFoundException:The specified module could not be found. (Exception from HRESULT: 0x8007007E).

I tried to change B.dll to console application and the same exception occurs.
If I’m wrapping the managed c++ code in some other c# class in B.dll and then calling the wrapper from foo() everything works just fine.

The managed C++ is a static class where all of the functions arguments are managed types.

Ideas?

Thanks,
Guy

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1 Answer

  1. Editorial Team

    This is not a managed DLL loading error, you can’t see it in Fuslogvw.exe. I’d guess at an unmanaged DLL dependency for C++/CLI assembly that cannot be located. You’ll be able to see Windows searching for the DLL with SysInternals’ ProcMon utility.

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