System 2.0.0.0 4.0.0.0 System.Delegate System.Void To be added. To be added. This delegate is available for use with your own events when the property provides sufficient event data. The event handler can set the property to true if all necessary processing has been completed in the handler. Typically, events that require this functionality will also require additional event data, and will use a class that derives from along with a corresponding, similarly-named delegate type. For example, the event uses the event-data type and the delegate type. Because delegates are not inherited, the is rarely used.

Represents a method that can handle events which may or may not require further processing after the event handler has returned.