Using Win32 functions in Visual FoxPro Image Gallery
Extensible Storage Engine (ESE, Jet Blue)
JetAddColumn
JetBeginSession
JetBeginTransaction
JetCloseDatabase
JetCloseTable
JetCommitTransaction
JetCreateDatabase
JetCreateInstance
JetCreateTable
JetDeleteTable
JetDetachDatabase
JetEndSession
JetGetColumnInfo
JetGotoBookmark
JetInit
JetMove
JetOpenTable
JetPrepareUpdate
JetRetrieveColumn
JetRollback
JetSetColumn
JetTerm
JetUpdate
Code examples:
Extensible Storage Engine class library
JetRetrieveColumn
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Retrieves a single column value from the current record.
Code examples:
Extensible Storage Engine class library
Declaration:
JET_ERR JET_API JetRetrieveColumn(
  __in          JET_SESID sesid,
  __in          JET_TABLEID tableid,
  __in          JET_COLUMNID columnid,
  __out_opt     void* pvData,
  __in          unsigned long cbData,
  __out_opt     unsigned long* pcbActual,
  __in          JET_GRBIT grbit,
  __in_out_opt  JET_RETINFO* pretinfo
);
FoxPro declaration:
DECLARE INTEGER JetRetrieveColumn IN esent;
    INTEGER sesid,;
    INTEGER tableid,;
    INTEGER columnid,;
    INTEGER pvData,;
    LONG cbData,;
    LONG @pcbActual,;
    INTEGER grbit,;
    INTEGER pretinfo
Parameters:
sesid
The session to use for this call.

tableid
The cursor to use for this call.

columnid
The JET_COLUMNID of the column to retrieve.

pvData
The output buffer that receives the column value.

cbData
The maximum size, in bytes, of the output buffer.

pcbActual
Receives the actual size, in bytes, of the column value.

grbit
A group of bits that contain the options to be used for this call.

pretinfo
If pretinfo is give as NULL then the function behaves as though an itagSequence of 1 and an ibLongValue of 0 (zero) were given.
Return value:
Returns the JET_ERR datatype with a predefined return code.
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Created: 2008-01-13 13:57:22
Modified: 2008-01-13 14:00:27
Visited in last 7 days: 3
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