What does the 0x80 code mean when referring to keyboard controls

Posted by Paz on Stack Overflow See other posts from Stack Overflow or by Paz
Published on 2010-04-30T18:36:30Z Indexed on 2010/04/30 18:47 UTC
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Filed under:

c++

|

keyboard

|

Windows

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keystroke

Hi, what does the 0x80 code mean when referring to the keyboard controls in C++ Windows environment?

For example,

if(GetKeyState('K') & 0x80) { 
    //do something 
}

Thanks everyone!

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