The PBT_APMOEMEVENT message is sent when an APM BIOS signals an APM OEM event. A window receives this message through the WM_POWERBROADCAST message.
PBT_APMOEMEVENT
dwEventCode = (DWORD) lParam;
Parameters
dwEventCode
OEM-defined event code that was signaled by the system's APM BIOS. OEM event codes are in the range 0200h - 02FFh.
Return Values
No return value.
Remarks
Because not all APM BIOS implementations provide OEM event notifications, this message may never be sent on some machines.
See Also