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PowerSettingAccessCheckEx function (powrprof.h)

  • Article

Queries for a group policy override for specified power settings and specifies the requested access for the setting.

Syntax

DWORD PowerSettingAccessCheckEx(
  [in]           POWER_DATA_ACCESSOR AccessFlags,
  [in, optional] const GUID          *PowerGuid,
  [in]           REGSAM              AccessType
);

Parameters

[in] AccessFlags

The type of access to check for group policy overrides.

Value Meaning
ACCESS_AC_POWER_SETTING_INDEX
0 (0x0)
 Check for overrides on AC power settings.
ACCESS_DC_POWER_SETTING_INDEX
1 (0x1)
 Check for overrides on DC power settings.
ACCESS_SCHEME
16 (0x10)
 Check for restrictions on specific power schemes.
ACCESS_ACTIVE_SCHEME
19 (0x13)
 Check for restrictions on active power schemes.
ACCESS_CREATE_SCHEME
20 (0x14)
 Check for restrictions on creating or restoring power schemes.

[in, optional] PowerGuid

The identifier of the power setting.

[in] AccessType

The type of security access for the setting. For more information, see Registry Key Security and Access Rights.

This parameter can be one of the following values.

Value Meaning
KEY_READ
 Combines the STANDARD_RIGHTS_READ, KEY_QUERY_VALUE, KEY_ENUMERATE_SUB_KEYS, and KEY_NOTIFY values.
KEY_WRITE
 Combines the STANDARD_RIGHTS_WRITE, KEY_SET_VALUE, and KEY_CREATE_SUB_KEY access rights.

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 specified power setting is not currently overridden by a group policy.
ERROR_ACCESS_DISABLED_BY_POLICY
1260 (0x4EC)
 This program is blocked by group policy. For more information, contact your system administrator.
ERROR_INSTALL_REMOTE_DISALLOWED
1640 (0x668)
 Only Administrators can remotely access power settings.

Requirements

Requirement Value
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Target Platform Windows
Header powrprof.h
Library Powrprof.lib
DLL Powrprof.dll