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Asked: 2026-05-10T17:45:27+00:00

I need to change the functionality of an application based on the executable name.

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I need to change the functionality of an application based on the executable name. Nothing huge, just changing strings that are displayed and some internal identifiers. The application is written in a mixture of native and .Net C++-CLI code.

Two ways that I have looked at are to parse the GetCommandLine() function in Win32 and stuffing around with the AppDomain and other things in .Net. However using GetCommandLine won’t always work as when run from the debugger the command line is empty. And the .Net AppDomain stuff seems to require a lot of stuffing around.

So what is the nicest/simplest/most efficient way of determining the executable name in C++/CLI? (I’m kind of hoping that I’ve just missed something simple that is available in .Net.)

Edit: One thing that I should mention is that this is a Windows GUI application using C++/CLI, therefore there’s no access to the traditional C style main function, it uses the Windows WinMain() function.

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1 Answer

  1. Call GetModuleFileName() using 0 as a module handle.

    Note: you can also use the argv[0] parameter to main or call GetCommandLine() if there is no main. However, keep in mind that these methods will not necessarily give you the complete path to the executable file. They will give back the same string of characters that was used to start the program. Calling GetModuleFileName(), instead, will always give you a complete path and file name.

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