IVssBackupComponents::SetRestoreOptions method (vsbackup.h)

Article
10/13/2021

The SetRestoreOptions method sets a string of private, or writer-dependent, restore parameters for a writer component.

Syntax

HRESULT SetRestoreOptions(
  [in] VSS_ID             writerId,
  [in] VSS_COMPONENT_TYPE ct,
  [in] LPCWSTR            wszLogicalPath,
  [in] LPCWSTR            wszComponentName,
  [in] LPCWSTR            wszRestoreOptions
);

Parameters

[in] writerId

Writer identifier.

[in] ct

Type of the component. See VSS_COMPONENT_TYPE for the possible values.

[in] wszLogicalPath

Null-terminated wide character string containing the logical path of the component. For more information, see Logical Pathing of Components.

The value of the string containing the logical path used here should be the same as was used when the component was added to the backup set using IVssBackupComponents::AddComponent.

The logical path can be NULL.

There are no restrictions on the characters that can appear in a non-NULL logical path.

[in] wszComponentName

Null-terminated wide character string containing the name of the component.

The string cannot be NULL and should contain the same component name as was used when the component was added to the backup set using IVssBackupComponents::AddComponent.

[in] wszRestoreOptions

Null-terminated wide character string containing the private string of restore parameters. For more information see Setting VSS Restore Options.

Return value

The following are the valid return codes for this method.

Value	Meaning
S_OK	Successfully set the previous backup time stamp.
E_INVALIDARG	One of the parameter values is not valid.
E_OUTOFMEMORY	The caller is out of memory or other system resources.
VSS_E_BAD_STATE	The backup components object is not initialized, this method has been called during a restore operation, or this method has not been called within the correct sequence.
VSS_E_OBJECT_NOT_FOUND	The backup component does not exist.
VSS_E_INVALID_XML_DOCUMENT	The XML document is not valid. Check the event log for details. For more information, see Event and Error Handling Under VSS.
VSS_E_UNEXPECTED	Unexpected error. The error code is logged in the error log file. For more information, see Event and Error Handling Under VSS. Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP: This value is not supported until Windows Server 2008 R2 and Windows 7. E_UNEXPECTED is used instead.

Remarks

This method must be called before IVssBackupComponents::PreRestore.

The exact syntax and content of the restore options set by the wszRestoreOptions parameter of the SetRestoreOptions method will depend on the specific writer being contacted.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Target Platform	Windows
Header	vsbackup.h (include VsBackup.h, Vss.h, VsWriter.h)
Library	VssApi.lib