PBT_APMBATTERYLOW

[This is preliminary documentation and subject to change.]

The PBT_APMBATTERYLOW message is sent to notify applications that battery power is low. A window receives this message through the WM_POWERBROADCAST message.

PBT_APMBATTERYLOW
dwData = (DWORD) lParam;
 

Parameters

dwData

Reserved, must be zero.

Return Values

No return value.

Remarks

This message is broadcast when a system's APM BIOS signals an APM battery low notification. Because some APM BIOS implementations do not provide notifications when batteries are low, this message may never be sent on some computers.

QuickInfo

  Windows NT: Requires version 5.0 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in pbt.h.

See Also

Power Management Overview, Power Management Messages, WM_POWERBROADCAST