I want to create a windows utility application, which can be called anytime from

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Asked: May 11, 20262026-05-11T06:43:58+00:00 2026-05-11T06:43:58+00:00

I want to create a windows utility application, which can be called anytime from within any other application using a keyboard shortcut, e.g.:

• Win + T

• Ctrl + T

• Alt + T

• Ctrl + Alt + T

• Ctrl + Shift + T

What key combinations can I use and how to setup those in the windows registry?

(If the shortcut is used by an other application, it should of course not work.)

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score 0 · Answer 1 · 2026-05-11T06:43:58+00:00

An option for doing that programatically when your application start is calling this Windows API:

RegisterHotKey(IntPtr hwnd, int id, int fsModifiers, int vk);

And to unregister call this API:

UnregisterHotKey(IntPtr hwnd, int id);

Both exist in user32 APIs

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