Question 421948 in Visual Studio Code Question posted in
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Visual Studio Code – WIndows 11 and Visual Studio 98 C++ – PATH variable not working

For reasons, I use Visual C++ 98 to do development for an old wafer tester platform. I was just ‘upgraded’ to a Windows 11 laptop, and after setting up the PATH variables to match my old Windows 10 laptop, I can not compile without getting missing #include errors (‘file not found’).

To troubleshoot, I have moved the top level #include‘s to the path with the project workspace DSP file, and no longer get the errors with the top level #include, but that header file has several other #include‘s that I now get errors for. I have tried putting the paths containing the #includes at the top of my PATH variable (both user and system) without success.

For reference, I have followed these instructions when installing VC++ 98:

Can Visual Studio 6.0 C++ run in Windows 11?).

Example code:

#include "ntshell.h"

Where ntshell.h lives:

C:pathtoheadersntshell.h

Entry in PATH variable:

C:pathtoheaders

Results:

fatal error C1083: Cannot open include file: 'ntshell.h': No such file or directory

I have tried the same entry in the INCLUDE variable also, without success.

Is there something I’m missing here?

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2

Answers


  1. 0

    There is no Visual C++ 98.

    For Visual C++ 6.0,
    add Header directory in
    Project Setting >C/C++ >Category：(Preprocessor）> Additional include directories.

    If add the path to INCLUDE environment variable, then close Visual Studio > delete .vs folder > restart.

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  2. 0

    you have to add the directories you want it to discover the .h files in to the properties,

        [project name] Properties -> Configuration -> C/C++ -> General -> Additional Include Directories

    add the directory path to this entry and it should be able to see your .h file now

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