GetKeyState

Does anyone know how to use GetKeyState to determine if a key is just tapped, rather than being held down?

To do that you need to check getasynckeystate very often, and store the state in a buffer. For several keys you just use an array and loop trough.

Code:

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    'what you do is get the keystate into a temporary variable
    temp = GetAsyncKeyState(Key)
    'then by xoring it against a state you will know if it has changed
    'so by multiplying it with the original state as -1 for 0
    'and 1 for 1, you still get unchanged state as 0
    keyevent = (keystate Xor temp) * (temp - 0.5) * 2
    keystate = temp

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The result, keyevent is
-1 the key is pressed
1 the key is released
0 not changed