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IVssBackupComponents::SetBackupState method

The SetBackupState method defines an overall configuration for a backup operation.

Syntax


HRESULT SetBackupState(
  [in]  bool bSelectComponents,
  [in]  bool bBackupBootableSystemState,
  [in]  VSS_BACKUP_TYPE backupType,
  [in]  bool bPartialFileSupport
);

Parameters

bSelectComponents [in]

Indicates whether a backup or restore operation will be in component mode.

Operation in component mode supports selectively backing up designated individual components (which can allow their exclusion), or only supports backing up all files and components on a volume.

The Boolean is true if the operation will be conducted in component mode and false if not.

bBackupBootableSystemState [in]

Indicates whether a bootable system state backup is being performed.

backupType [in]

A VSS_BACKUP_TYPE enumeration value indicating the type of backup to be performed.

bPartialFileSupport [in]

Optional. If the value of this parameter is true, partial file support is enabled. The default value for this argument is false.

Return value

The following are the valid return codes for this method.

ValueMeaning
S_OK

Successfully set the backup state.

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_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

Applications must call SetBackupState prior to calling IVssBackupComponents::PrepareForBackup.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

VsBackup.h (include VsBackup.h, Vss.h, or VsWriter.h)

Library

VssApi.lib

See also

IVssBackupComponents
VSS_BACKUP_TYPE

 

 

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