vcl-cxcustomdata-dot-tcxcustomdatasource-dot-underscore-members.md
A custom data source for a grid control.
| Name | Description |
|---|---|
| DataController | Provides access to the data controller which obtains records from the current data source. |
| Provider |
| Name | Description |
|---|---|
| AppendRecord protected | Appends a new record to the current custom data source. |
| DataChanged | Notifies a data controller of data changes in the current data source. |
| DeleteRecord(TcxDataRecordHandle) protected | Deletes a record from a custom data source. |
| Equals(TObject) | Inherited from TObject. |
| GetDefaultItemID(Integer) protected | Returns the unique identifier of a column at the specified position. |
| GetDisplayText(TcxDataRecordHandle,TcxDataItemHandle) protected | Returns the text representation of a value in a specific record/column. |
| GetHashCode | Inherited from TObject. |
| GetInfoForCompare(TcxDataRecordHandle,TcxDataItemHandle,PAnsiChar) protected | Locates data in memory for a specific record/column. |
| GetItemHandle(Integer) protected | Returns the item handle for a column at a specified position. |
| GetRecordCount protected | Specifies the number of records in the current data source. |
| GetRecordHandle(Integer) protected | Returns the record handle for a specific record’s index before the data controller retrieves data from the data source for the first time. |
| GetRecordHandleByIndex(Integer) | Returns the record handle for a specific record’s index when the grid control displays data from the current data source. |
| GetRecordId(TcxDataRecordHandle) protected | Returns a value uniquely identifying a record. |
| GetRecordIndexByHandle(TcxDataRecordHandle) | Returns the record index for a specific record handle when the grid control displays data from the current data source. |
| GetValue(TcxDataRecordHandle,TcxDataItemHandle) protected | Returns a value in a specific record/column. |
| InsertRecord(TcxDataRecordHandle) protected | Inserts a new record in a custom data source above a specific record. |
| IsMultiThreadingSupported protected | Specifies whether the data source uses multi-threaded algorithms. |
| IsNativeCompare protected | Specifies whether fast comparison operations are supported by the current data source. |
| IsRecordIdSupported protected | Indicates whether the record identifiers are supported. |
| SetValue(TcxDataRecordHandle,TcxDataItemHandle,Variant) protected | Sets a value in a specific record/item. |
| ToString | Inherited from TObject. |
See Also