Rowset Object Interfaces
The latest version of this topic can be found at Rowset Object Interfaces.
The following table shows the mandatory and optional interfaces defined by OLE DB for a rowset object.
Interface | Required? | Implemented by OLE DB templates? |
---|---|---|
IAccessor | Mandatory | Yes |
IColumnsInfo | Mandatory | Yes |
IConvertType | Mandatory | Yes |
IRowset | Mandatory | Yes |
IRowsetInfo | Mandatory | Yes |
IChapteredRowset | Optional | No |
IColumnsInfo2 | Optional | No |
IColumnsRowset | Optional | No |
IConnectionPointContainer | Optional | Yes (through ATL) |
IDBAsynchStatus | Optional | No |
IGetRow | Optional | No |
IRowsetChange | Optional | Yes |
IRowsetChapterMember | Optional | No |
IRowsetCurrentIndex | Optional | No |
IRowsetFind | Optional | No |
IRowsetIdentity | Optional (but required for level 0 providers) | Yes |
IRowsetIndex | Optional | No |
IRowsetLocate | Optional | Yes |
IRowsetRefresh | Optional | No |
IRowsetScroll | Optional | No |
IRowsetUpdate | Optional | Yes |
IRowsetView | Optional | No |
ISupportErrorInfo | Optional | Yes |
IRowsetBookmark | Optional | No |
The wizard-generated rowset object implements IAccessor
, IRowset
, and IRowsetInfo
through inheritance. The IAccessorImpl
binds both output columns. The IRowset
interface handles fetches rows and data. The IRowsetInfo
interface handles the rowset properties.