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This function returns the current system power state currently in effect.
DWORD GetSystemPowerState(LPWSTR pBuffer,DWORD Length,PDWORD pFlags);
Parameters
pBuffer
[out] Buffer to receive the system power state name.Length
[in] Length of pBuffer in characters.pFlags
[out] Receives the system power state flags, which is the bitwise-OR of the POWER_STATE_XXX flags defined in Pm.h.The following table shows the various POWER_STATE_XXX flags.
Flag Description POWER_STATE_ON On state POWER_STATE_OFF Off state POWER_STATE_CRITICAL Critical state POWER_STATE_BOOT Boot state POWER_STATE_IDLE Idle state POWER_STATE_SUSPEND Suspend state POWER_STATE_RESET Reset state
Return Values
| Return value | Description |
|---|---|
| ERROR_SUCCESS | Successful call |
| ERROR_INSUFFICIENT_BUFFER | Insufficient buffer |
| ERROR_NOT_FOUND | Error is not found |
| Win32 error code | All other errors |
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Pm.h.
Link Library: Coredll.lib.
See Also
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