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Asked: 2026-05-18T12:44:42+00:00

I have a C++/CLI dll and I’d like to know what the preferred alternative

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I have a C++/CLI dll and I’d like to know what the preferred alternative to the Win32 API function GetModuleFilename would be. I’ve found Assembly::GetExecutingAssembly()->ManifestModule->FullyQualifiedName (MSDN). This seems to be working, but I’d like to know if there’s a different or “better” way. Of course, I know that technically nothing prohibits me from using GetModuleFilename directly, but I hate mixing different APIs and this would also require to create a string buffer which I’d then have to convert back into a System::String. I know it’s only two more lines of code but still … 😉

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1 Answer

  1. Editorial Team

    Don’t use GetModuleFileName(), the .NET 4.0 CLR has dropped some appcompat code that makes a loaded assembly resemble a regular DLL. Besides, the HMODULE is trouble, you cannot use the VirtualQuery trick to convert a code address to a HMODULE.

    Assembly::GetExecutingAssembly()->Location gives you the full path to the assembly from which the IL for the current method was loaded.

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