Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The latest version of this topic can be found at BLOB_ENTRY_LENGTH_STATUS.
Used with BEGIN_COLUMN_MAP and END_COLUMN_MAP to bind a binary large object (BLOB). Similar to BLOB_ENTRY, except that this macro also gets the length and status of the BLOB column.
Syntax
BLOB_ENTRY_LENGTH_STATUS(
nOrdinal
,
IID
,
flags
,
data
, length, status )
Parameters
nOrdinal
[in] The column number.
IID
[in] Interface GUID, such as IDD_ISequentialStream, used to retrieve the BLOB.
flags
[in] Storage-mode flags as defined by the OLE Structured Storage model (for example, STGM_READ).
data
[in] The corresponding data member in the user record.
length
[out] The (actual) length in bytes of the BLOB column.
status
[out] The status of the BLOB data column.
Example
See How Can I Retrieve a BLOB?.
Requirements
Header: atldbcli.h
See Also
Macros and Global Functions for OLE DB Consumer Templates
BEGIN_COLUMN_MAP
END_COLUMN_MAP
COLUMN_ENTRY
BLOB_ENTRY
BLOB_ENTRY_LENGTH
BLOB_ENTRY_STATUS