| title | BLOB_ENTRY_LENGTH | Microsoft Docs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ms.custom | ||||||||||||||
| ms.date | 11/04/2016 | |||||||||||||
| ms.reviewer | ||||||||||||||
| ms.suite | ||||||||||||||
| ms.technology |
|
|||||||||||||
| ms.tgt_pltfrm | ||||||||||||||
| ms.topic | article | |||||||||||||
| f1_keywords |
|
|||||||||||||
| dev_langs |
|
|||||||||||||
| helpviewer_keywords |
|
|||||||||||||
| ms.assetid | 832d21ab-5fdd-49ad-af6e-4fca5722ec93 | |||||||||||||
| caps.latest.revision | 7 | |||||||||||||
| author | mikeblome | |||||||||||||
| ms.author | mblome | |||||||||||||
| manager | ghogen | |||||||||||||
| translation.priority.ht |
|
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 in bytes of the BLOB column.
BLOB_ENTRY_LENGTH(
nOrdinal
,
IID
,
flags
,
data
,
length
)
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.
See How Can I Retrieve a BLOB?.
Header: atldbcli.h
Macros and Global Functions for OLE DB Consumer Templates
BEGIN_COLUMN_MAP
END_COLUMN_MAP
COLUMN_ENTRY
BLOB_ENTRY
BLOB_ENTRY_LENGTH_STATUS
BLOB_ENTRY_STATUS