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capture keys

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Emerson:
Hi! I need to create an application that captures keystrokes, even if minimized. I want to create a control for calls where no matter what app the user is using, my control can see when the next person was called. Can anyone help me?

Gald:
What you are trying to do is a kind of Keylogger and will be recognized by the Antivirus.
You can build a DLL for that, for using the hookproc.
I don't even know about it on another system than Windows.

More info:
https://docs.microsoft.com/en-us/windows/win32/winmsg/using-hooks
https://stackoverflow.com/questions/5196596/hook-keyboard-from-injected-dll-using-keyboardproc-setwindowshookex

Emerson:
That's right, I've used this DLL once on Windows, but now I need to use this feature on Linux and I haven't found anything about it. The case of this DLL works only on Windows.

Emerson:
Does anyone else have any idea how to help me?

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