PBT_POWERSETTINGCHANGE event
Power setting change event sent with a WM_POWERBROADCAST window message or in a HandlerEx notification callback for services.
LRESULT
CALLBACK
WindowProc( HWND hwnd, // handle to window
UINT uMsg, // WM_POWERBROADCAST
WPARAM wParam, // PBT_POWERSETTINGCHANGE
LPARAM lParam); // Pointer to POWERBROADCAST_SETTING
Parameters
-
hwnd
-
A handle to window.
- *uMsg*
-
Value Meaning - WM_POWERBROADCAST
- 536 (0x218)
Message identifier. - *wParam*
-
Value Meaning - PBT_POWERSETTINGCHANGE
- 32787 (0x8013)
Event identifier. -
lParam
-
Pointer to a POWERBROADCAST_SETTING structure.
Return value
No return value.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|