System 2.0.0.0 4.0.0.0 System.Delegate System.Void To be added. To be added. When you create a delegate, you identify the method that will handle the event. To associate the event with your event handler, add an instance of the delegate to the event. The event-handler method is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see Events and Delegates. Represents the method that will handle the event. This class cannot be inherited.