WM_HOTKEY message

Posted when the user presses a hot key registered by the RegisterHotKey function. The message is placed at the top of the message queue associated with the thread that registered the hot key.

#define WM_HOTKEY                       0x0312

Parameters

wParam

The identifier of the hot key that generated the message. If the message was generated by a system-defined hot key, this parameter will be one of the following values.

Value	Meaning
IDHOT_SNAPDESKTOP -2	The "snap desktop" hot key was pressed.
IDHOT_SNAPWINDOW -1	The "snap window" hot key was pressed.

lParam

The low-order word specifies the keys that were to be pressed in combination with the key specified by the high-order word to generate the WM_HOTKEY message. This word can be one or more of the following values. The high-order word specifies the virtual key code of the hot key.

Value	Meaning
MOD_ALT 0x0001	Either ALT key was held down.
MOD_CONTROL 0x0002	Either CTRL key was held down.
MOD_SHIFT 0x0004	Either SHIFT key was held down.
MOD_WIN 0x0008	Either WINDOWS key was held down. These keys are labeled with the Windows logo. Hotkeys that involve the Windows key are reserved for use by the operating system.

Remarks

WM_HOTKEY is unrelated to the WM_GETHOTKEY and WM_SETHOTKEY hot keys. The WM_HOTKEY message is sent for generic hot keys while the WM_SETHOTKEY and WM_GETHOTKEY messages relate to window activation hot keys.

Requirements

See also

Reference

RegisterHotKey

WM_GETHOTKEY

WM_SETHOTKEY

Conceptual

Keyboard Input