Condividi tramite

BLOB_ENTRY

  • Articolo

Used with BEGIN_COLUMN_MAP and END_COLUMN_MAP to bind a binary large object (BLOB).

BLOB_ENTRY(nOrdinal, IID, flags, data )

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.

Example

See How Can I Retrieve a BLOB?.

Requirements

Header: atldbcli.h

See Also

Concepts

Macros and Global Functions for OLE DB Consumer Templates

BEGIN_COLUMN_MAP

END_COLUMN_MAP

COLUMN_ENTRY

BLOB_ENTRY_LENGTH

BLOB_ENTRY_LENGTH_STATUS

BLOB_ENTRY_STATUS