System.Web 2.0.0.0 The class implements this interface. A control designer can query an instance of a class that derives from to obtain the collection of expressions and properties that are bound to the control. Defines the properties a class must implement to support collections of expressions. Property System.Web.UI.ExpressionBindingCollection To be added. To be added. Gets a collection of objects. 2.0.0.0 Property System.Boolean To be added. To be added. Gets a value indicating whether the instance of the class that implements this interface has any properties bound by an expression. 2.0.0.0