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Asked: May 10, 20262026-05-10T23:42:27+00:00 2026-05-10T23:42:27+00:00

In Visual Studio (C++), is there a way to easily find duplicate headers that

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In Visual Studio (C++), is there a way to easily find duplicate headers that are defined in .cpp files?

I’m also trying to find ways to detect this situation:

  • A includes B includes C
  • A includes C
  • => A doesn’t need to include C
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  1. 2026-05-10T23:42:28+00:00Added an answer on May 10, 2026 at 11:42 pm

    If you want to detect this situation you could add this macro to the top of every file. Substitute A for the name of the file

    #if A_H #error 'Duplicate include' #else #define A_H #endif 
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