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
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wParam
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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
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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
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|
See also
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Reference
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Conceptual