다음을 통해 공유


RFX_LongBinary

Transfers binary large object (BLOB) data using class CLongBinary between the field data members of a CRecordset object and the columns of a record on the data source of ODBC type SQL_LONGVARBINARY or SQL_LONGVARCHAR.

void RFX_LongBinary(
   CFieldExchange* pFX,
   const char* szName,
   CLongBinary& value 
);

Parameters

  • pFX
    A pointer to an object of class CFieldExchange. This object contains information to define the context for each call of the function. For more information about the operations a CFieldExchange object can specify, see the article Record Field Exchange: How RFX Works.

  • szName
    The name of a data column.

  • value
    The value stored in the indicated data member — the value to be transferred. For a transfer from recordset to data source, the value, of type CLongBinary, is taken from the specified data member. For a transfer from data source to recordset, the value is stored in the specified data member.

Example

See RFX_Text.

Requirements

Header: afxdb.h

See Also

Concepts

MFC Macros and Globals

RFX_Text

RFX_Bool

RFX_Long

RFX_Int

RFX_Single

RFX_Double

RFX_Date

RFX_Byte

RFX_Binary

CFieldExchange::SetFieldType

CLongBinary Class