| 名前 | 解説 | |
|---|---|---|
 | Expression | Defines group expression. |
| ExpressionInfo | Compiled GroupDef.Expression, used internally in DataHandler.Group. |
| FilterExpression | Defines filtering expression which can be used to filter instances of the groups. Example: Sum(someField) > 1000 |
| FilterExpressionInfo | Compiled GroupDef.FilterExpression, used internally in DataHandler.Group. |
| FilterOutValue | Value for filter out instances. |
| GroupName | The name of the group, use to identify the data scope of the group. |
| SortExpression | Defines the sorting expression, it can be used to sort group instances by the aggregate function. For example: Sum(someField). Direction of the sorting specified by the GroupDef.Sorting property. If GroupDef.SortExpression is not specified then groups sorted bu the value returned GroupDef.Expression expression. |
| SortExpressionInfo | Compiled GroupDef.SortExpression, used internally in DataHandler.Group. |
| Sorting | Defines the sorting for the group items. |
| Source | The object producing thos GroupDef, it can be Group or something else. |