The following tables list the members exposed by SummaryCalculator.
| Name | Description | |
|---|---|---|
 | DataSource | Gets the data source against which summaries are calculated. |
| DisplayName | Gets the display name of the calculator to be displayed in the UI. |
| IsSummaryDirty | Determines whether the summary is dirty and requires recalculation. |
| Operand | The type of summary this is. |
| PropertyName | Gets the name of the property associated with the summary calculation. |
| PropertyType | Gets the data type associated with the property name. |
| Name | Description | |
|---|---|---|
 | Aggregate | Processes individual items to produce a summary result. |
| BeginCalculation | Starts the summary calculation. |
| EndCalculation | Ends the summary calculation and returns the result. |
| ItemAdded | Notifies when an item is added to the data source so the summary result can be updated. |
| ItemRemoved | Notifies when an item is removed from the data source so the summary result can be updated. |
| Name | Description | |
|---|---|---|
 | GetExpectedTypeFromDouble | Converts the double value into the expected type the summary expects. |
| GetItemAsDouble | Gets the property value from an item and casts it to a double. |
| GetValueAsDouble | Gets a value as a double if possible. |