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NF:vswriter.IVssWMFiledesc.GetBackupTypeMask

IVssWMFiledesc::GetBackupTypeMask (vswriter.h)

The GetBackupTypeMask method returns the file backup specification for the files specified by the current file descriptor as a bit mask (or bitwise OR) of VSS_FILE_SPEC_BACKUP_TYPE values.

GetBackupTypeMask

GetBackupTypeMask method [VSS]

IVssWMFiledesc interface

IVssWMFiledesc interface [VSS]

GetBackupTypeMask method

IVssWMFiledesc.GetBackupTypeMask

IVssWMFiledesc::GetBackupTypeMask

base.ivsswmfiledesc_getbackuptypemask

vswriter/IVssWMFiledesc::GetBackupTypeMask

base\ivsswmfiledesc_getbackuptypemask.htm

base

9d5f3a16-2053-42dd-867d-740c4a34bdb6

12/05/2018

GetBackupTypeMask, GetBackupTypeMask method [VSS], GetBackupTypeMask method [VSS],IVssWMFiledesc interface, IVssWMFiledesc interface [VSS],GetBackupTypeMask method, IVssWMFiledesc.GetBackupTypeMask, IVssWMFiledesc::GetBackupTypeMask, base.ivsswmfiledesc_getbackuptypemask, vswriter/IVssWMFiledesc::GetBackupTypeMask

vswriter.h

Vss.h, VsWriter.h

Windows

Windows Vista [desktop apps only]

Windows Server 2003 [desktop apps only]

VssApi.lib

Windows

19H1

IVssWMFiledesc::GetBackupTypeMask

vswriter/IVssWMFiledesc::GetBackupTypeMask

c++

APIRef

kbSyntax

COM

VssApi.lib

VssApi.dll

IVssWMFiledesc.GetBackupTypeMask

IVssWMFiledesc::GetBackupTypeMask

-description

The GetBackupTypeMask method returns the file backup specification for the files specified by the current file descriptor as a bit mask (or bitwise OR) of VSS_FILE_SPEC_BACKUP_TYPE values. This information indicates if the files are to be evaluated by their writer for participation in various specific types of backup operations (or if they will participate in an incremental or differential backups).

-parameters

-param pdwTypeMask

Pointer to a DWORD containing a bit mask (or bitwise OR) of VSS_FILE_SPEC_BACKUP_TYPE values indicating the file backup specification for the file or file set described by the current IVssWMFiledesc interface.

-returns

The following are the valid return codes for this method.

Value	Meaning
S_OK	Successfully returned the filespec information.
E_INVALIDARG	The pdwTypeMask variable points to a NULL region of memory.
E_OUTOFMEMORY	The caller is out of memory or other system resources.
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.