System 1.0.5000.0 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-handling method, add an instance of the delegate to the event. The event-handling method is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see [<topic://cpconEventsDelegates>]. Represents the method that will handle the event from the operating system.