PowerReadValueIncrement function
Retrieves the increment for valid values between the power settings minimum and maximum. If the power setting is not defined with a range of possible values then this function will return an error.
Syntax
DWORD WINAPI PowerReadValueIncrement( _In_opt_ HKEY RootPowerKey, _In_opt_ const GUID *SubGroupOfPowerSettingsGuid, _In_opt_ const GUID *PowerSettingGuid, _Out_ LPDWORD ValueIncrement );
Parameters
- RootPowerKey [in, optional]
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This parameter is reserved for future use and must be set to NULL.
- SubGroupOfPowerSettingsGuid [in, optional]
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The subgroup of power settings. This parameter can be one of the following values defined in WinNT.h. Use NO_SUBGROUP_GUID to refer to the default power scheme.
- PowerSettingGuid [in, optional]
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The identifier of the power setting that is being used.
- ValueIncrement [out]
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A pointer to a variable that receives the increment for the specified power setting.
Return value
Returns ERROR_SUCCESS (zero) if the call was successful, and a nonzero value if the call failed.
Requirements
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Minimum supported client |
Windows Vista [desktop apps only] |
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Minimum supported server |
Windows Server 2008 [desktop apps only] |
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Header |
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Library |
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DLL |
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See also