Writing to parallel port in Win NT

This is a discussion on Writing to parallel port in Win NT within the Windows Programming forums, part of the Platform Specific Boards category; I am using VC++ versions 5 and 6. I want to write to the parallel port of a PC. Although ...

  1. #1
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    Question Writing to parallel port in Win NT

    I am using VC++ versions 5 and 6. I want to write to the parallel port of a PC.
    Although I can achieve this successfully in Win 95 and Win 98 using the function _outp(), I get an application error in Win NT.
    Any ideas what I can do to solve this?
    Many thanks
    Bazzz

  2. #2
    &TH of undefined behavior Fordy's Avatar
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    Look up CreateFile()...this should be aple to latch onto "LPT1" or whatever...

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