Data Members
| m_nOperation | The DFX operation being performed by the current call to the recordset’s DoFieldExchange member function. |
| m_prs | A pointer to the recordset on which DFX operations are being performed. |
Member Functions
| IsValidOperation | Returns nonzero if the current operation is appropriate for the type of field being updated. |
| SetFieldType | Specifies the type of recordset data member — column or parameter — represented by all subsequent calls to DFX functions until the next call to SetFieldType. |