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Editorial Team
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Asked: 2026-06-10T22:59:58+00:00

I’m writing a program with visual C++ that should change some keyboard keys in

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I’m writing a program with visual C++ that should change some keyboard keys in a game.

I used
kHook = SetWindowsHookEx(WH_KEYBOARD_LL,setkey,NULL,0);
to know the keys are pressed in computer and
FindWindow()
to find the game that I should process my code to get the keys are pressed in that game.

But I need to disable some keys for example when space is clicked I need to prevent the game to know space is clicked. Actually disable space in that game what should I do. I searched a lot but I got nothing.

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1 Answer

  1. Editorial Team

    Please read carefully LowLevelKeyboardProc callback function MSDN documentation. There are answers.

    Basically you need in your LowLevelKeyboardProc implementation (setkey?):

    1. Check wParam for WM_KEYDOWN and WM_KEYUP messages
    2. Check vkCode from structure pointed by lParam for VK_SPACE
    3. If 1 and 2 are both true return non-zero to eat processed message
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