| Class | Description | |
|---|---|---|
 | ExpressionInfo | The ExpressionInfo class stores, evaluates, and provides information about an expression. ExpressionInfo provides aggregates, global collections, et cetera, as well as information about the expected data type of the expression's result. |
| ExpressionInfoCollection | Implements a strongly typed collection for ExpressionInfo. |
| ExpressionInfoCollectionEventArgs | Provides data for the ItemAdded or ItemRemoved event of the ExpressionInfoCollection. |
| ValidationResults | Used to contain results from ExpressionInfo validation. |
| ValidationResults.ErrorInformation | Contains information about an error (message and location). |
The GrapeCity.ActiveReports.Expressions namespace includes classes having information of expressions etc.
Classes
Interfaces
| Interface | Description | |
|---|---|---|
 | IExpressionEvaluatorService | Allows an ExpressionInfo object to be evaluated. |
| ITheme | Defines an interface to set and get theme information. |
Delegates
| Delegate | Description | |
|---|---|---|
 | ExpressionInfoCollectionEventHandler | Represents the method that handles the ItemAdded or ItemRemoved event. |
Enumerations
| Enumeration | Description | |
|---|---|---|
 | ExpressionReferenceType | Enum of expression reference types |
| ExpressionResultType | Specifies the data type of an expression result. |
See Also