PowerReadDCValueIndex function (powrprof.h)
Retrieves the DC value index of the specified power setting.
Syntax
DWORD PowerReadDCValueIndex(
[in, optional] HKEY RootPowerKey,
[in, optional] const GUID *SchemeGuid,
[in, optional] const GUID *SubGroupOfPowerSettingsGuid,
[in, optional] const GUID *PowerSettingGuid,
[out] LPDWORD DcValueIndex
);
Parameters
[in, optional] RootPowerKey
This parameter is reserved for future use and must be set to NULL.
[in, optional] SchemeGuid
The identifier of the power scheme.
[in, optional] SubGroupOfPowerSettingsGuid
The identifier of the subgroup of power settings. Use NO_SUBGROUP_GUID to refer to the default power scheme.
These values are the subgroup values included with Windows.
[in, optional] PowerSettingGuid
The identifier of the power setting.
[out] DcValueIndex
A pointer to a variable that receives the DC value index.
Return value
Returns ERROR_SUCCESS (zero) if the call was successful, and a nonzero value if the call failed.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2008 [desktop apps only] |
Target Platform | Windows |
Header | powrprof.h |
Library | PowrProf.lib |
DLL | PowrProf.dll |