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PowerDuplicateScheme function (powrprof.h)

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Duplicates an existing power scheme.

Syntax

DWORD PowerDuplicateScheme(
  [in, optional] HKEY       RootPowerKey,
  [in]           const GUID *SourceSchemeGuid,
  [in]           GUID       **DestinationSchemeGuid
);

Parameters

[in, optional] RootPowerKey

This parameter is reserved for future use and must be set to NULL.

[in] SourceSchemeGuid

The identifier of the power scheme that is to be duplicated.

[in] DestinationSchemeGuid

The address of a pointer to a GUID. If the pointer contains NULL, the function allocates memory for a new GUID and puts the address of this memory in the pointer. The caller can free this memory using LocalFree.

Return value

Returns ERROR_SUCCESS (zero) if the call was successful, and a nonzero value if the call failed.

Return code/value Description
ERROR_SUCCESS
0 (0x0)
 The power scheme was successfully duplicated.
ERROR_INVALID_PARAMETER
87 (0x57)
 One of the parameters is not valid.
ERROR_ALREADY_EXISTS
183 (0xB7)
 The DestinationSchemeGuid parameter refers to an existing power scheme. PowerDeleteScheme can be used to delete this scheme.

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

See also

Power Management Functions