Data Fetch
| FetchRecords | Allows you to fetch records incrementally. |
| GetValue | Get the underlying value at nRow, nCol. If in edit mode returns the modfiied value. |
| GetRecordCount | Get the known record count so far. |
| GetFieldCount | Get the no. of fields in the result set. |
Editing and Updating
| Edit | Set edit mode and allow editing a specific record. |
| SetValue | Set the value of a specific field in the record in edit mode. |
| Update | Store the changes made in the current record or add a new record to the data source. |
| AddRow | Set addNew mode and allow editing the newly added record. |
| DeleteRows | Delete rows nFrom to nTo |
| CancelRecord | Cancel the edit or addNew mode and discard the changes made so far. |
| Requery | Reinitialize the engine with the current parameters. |
| BeginTrans | Begin a transaction. |
| CommitTrans | Commit an open transaction. |
| Rollback | Rollback an open transaction. |
| OnDeletedRecords | Notification called when records are deleted. |
State Info
| CanUpdate | Is the result set updateable? |
| CanAppend | Can a new row be appended to the result set? |
| IsEOFSeen | Has all the records been fetched so far? |
| IsInit | Has the engine been initialized properly? |
Hierarchical Data
| GetChildAt | Get the child at the specified record. |
| AreChildrenAvailable | Check if hierarchical data is available. |
Cleanup
| CleanUp | Called by the destructor to clean up member variables. |
Attributes
| m_nIncrement | The increment by which the engine should fetch each time. Default is 512. |
| m_nEditMode | Gives you the current edit mode. |
| m_nEditRecord | Currently being edited record. |