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PBT_APMOEMEVENT event

[PBT_APMOEMEVENT is available for use in the operating systems specified in the Requirements section. Support for this event was removed in Windows Vista.]

Notifies applications that the APM BIOS has signaled an APM OEM event.

A window receives this event through the WM_POWERBROADCAST message. The wParam and lParam parameters are set as described following.

C++


LRESULT 
CALLBACK 
WindowProc( HWND   hwnd,    // handle to window
            UINT   uMsg,    // WM_POWERBROADCAST
            WPARAM wParam,  // PBT_APMOEMEVENT
            LPARAM lParam); // OEM event code

Parameters

hwnd

A handle to window.

uMsg

Value	Meaning
WM_POWERBROADCAST 536 (0x218)	Message identifier.

wParam

Value	Meaning
PBT_APMOEMEVENT 11 (0xB)	Event identifier.

lParam

The OEM-defined event code that was signaled by the system's APM BIOS. OEM event codes are in the range 0200h - 02FFh.

Return value

No return value.

Remarks

Because not all APM BIOS implementations provide OEM event notifications, this event may never be broadcast on some computers.

Requirements

Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
End of client support	Windows XP
End of server support	Windows Server 2003
Header	WinUser.h (include Windows.h)

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