PBT_APMRESUMECRITICAL

The PBT_APMRESUMECRITICAL message is sent as a notification that the system has resumed operation after a critical suspension caused by a failing battery. A driver receives this message through the WM_POWERBROADCAST message.

dwData = (DWORD) lParam;

Parameters

dwData

Reserved; must be 0.

Return Values

No return value.

Remarks

Because a critical suspension occurs without prior notification, resources and data previously available to a driver may not be present when the driver receives this message. The driver should attempt to restore its state to the best of its ability. While in a critical suspension, the system maintains the state of the DRAM and local hard disks, but may not maintain net connections. A driver may have to take action with respect to files that were open on the network prior to the critical suspension.

This message is not sent to applications.

See Also

WM_POWERBROADCAST

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