How to tell the windows version?

This is a discussion on How to tell the windows version? within the C++ Programming forums, part of the General Programming Boards category; Hi! I need to know if there is a way in borland C++ to tell the windows version under which ...

  1. #1
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    How to tell the windows version?

    Hi!

    I need to know if there is a way in borland C++ to tell the windows version under which a C++ program is running.
    I found a command _version that provides the DOS version but nothing to tell the windows version. Can you help?

    Thanks!

  2. #2
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    You could use GetOsVersionEx()

  3. #3
    Magically delicious LuckY's Avatar
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    I have had to do the exact same thing for apps since XP came out because even though you specify the same size, the window is a different size on an XP screen than a 98 screen (depending on how you create your window of course).

    Code:
    #define   WINXP_MAJOR_VERSION   5
    
      OSVERSIONINFO osvi = {0};
      osvi.dwOSVersionInfoSize = sizeof(osvi);
      GetVersionEx((OSVERSIONINFO*)&osvi);
      if (osvi.dwMajorVersion < WINXP_MAJOR_VERSION)
        //then it is before XP
      else
        //it is at least XP

  4. #4
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    Thanks for the replies but those functions (GetVersionEx and GetOsVersionEx) are not part of the Borland C++ library. I have a very old version of borland C++ (3.1) and I don't know if anyone can help with this.

  5. #5
    Magically delicious LuckY's Avatar
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    Just look at _osmajor (and _osminor if need be). If _osmajor is < 5 it is before XP.

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