WIN32_STREAM_ID

The WIN32_STREAM_ID structure contains stream data.

typedef struct _WIN32_STREAM_ID { 
  DWORD         dwStreamId; 
  DWORD         dwStreamAttributes; 
  LARGE_INTEGER Size; 
  DWORD         dwStreamNameSize; 
  WCHAR         cStreamName[ANYSIZE_ARRAY]; 
} WIN32_STREAM_ID, *LPWIN32_STREAM_ID;

Members

dwStreamId

Specifies the type of data. This member can be one of the following values.

Value	Meaning
BACKUP_DATA	Standard data
BACKUP_EA_DATA	Extended attribute data
BACKUP_SECURITY_DATA	Security descriptor data
BACKUP_ALTERNATE_DATA	Alternative data streams
BACKUP_LINK	Hard link information
BACKUP_PROPERTY_DATA	Property data
BACKUP_OBJECT_ID	Objects identifiers
BACKUP_REPARSE_DATA	Reparse points
BACKUP_SPARSE_BLOCK	Sparse file.

dwStreamAttributes

Specifies the attributes of data to facilitate cross-operating system transfer. This member can be one or more of the following values.

Value	Description
STREAM_MODIFIED_WHEN_READ	Attribute set if the stream contains data that is modified when read. Allows the backup application to know that verification of data will fail.
STREAM_CONTAINS_SECURITY	Stream contains security data (general attributes). Allows the stream to be ignored on cross-operations restore.

Size

Specifies the size, in bytes, of data.

dwStreamNameSize

Specifies the length of the name of the alternative data stream.

cStreamName

Specifies the name of the alternative data stream, in Unicode.

Requirements

  Windows NT/2000: Requires Windows NT 3.1 or later.
  Header: Declared in Winbase.h; include Windows.h.

See Also

Tape Backup Overview, Tape Backup Structures, BackupRead, BackupSeek, BackupWrite