RegisterHotKey.md

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Function name : RegisterHotKey

Group: Keyboard Input - Library: user32

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The RegisterHotKey function defines a system-wide hot key.

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Code examples:

How to block the ALT+TAB shortcut (WinXP)
How to block the PrintScreen key

Declaration:

BOOL RegisterHotKey(
	HWND hWnd,
	int id,
	UINT fsModifiers,
	UINT vk
);  

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FoxPro declaration:

DECLARE INTEGER RegisterHotKey IN user32;
	INTEGER hWnd,;
	INTEGER id,;
	INTEGER fsModifiers,;
	INTEGER vk
  

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Parameters:

hWnd [in] Handle to the window that will receive WM_HOTKEY messages generated by the hot key.

id [in] Specifies the identifier of the hot key. No other hot key in the calling thread should have the same identifier.

fsModifiers [in] Specifies keys that must be pressed in combination with the key specified by the uVirtKey parameter in order to generate the WM_HOTKEY message.

vk [in] Specifies the virtual-key code of the hot key.

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Return value:

If the function succeeds, the return value is nonzero.

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Comments:

See also: UnregisterHotKey function.

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