IRowPosition::ClearRowPosition
Clears the value of the current hRow.
HRESULT ClearRowPosition ();
Parameters
None.
Return Code
- S_OK
- The method succeeded. Calling GetRowPosition returns a phRow value of DB_NULL_ROW and a pdwPositionFlags value of DBPOSITION_NOROW.
- E_FAIL
- A provider-specific error occurred. The row position is unchanged.
- DB_E_CANCELED
- The operation was canceled by a client during notification. The row position is unchanged.
- E_UNEXPECTED
- IRowPosition::ClearRowPosition was called twice in a row.
There is no current rowset.
Comments
IRowPosition::ClearRowPosition fires the following notification phases with the reason DBREASON_ROWPOSITION_CLEARED:
- DBEVENTPHASE_OKTODO
- DBEVENTPHASE_ABOUTTODO
- DBEVENTPHASE_FAILEDTODO (if either of the above events is canceled)
Calling IRowPosition::SetRowPosition fires the remaining phases.
IRowPosition::ClearRowPosition must be called prior to the first and any subsequent IRowPosition::SetRowPosition calls.