Microsoft® Windows® Workflow Foundation Step by Step

Using the EventHandlingScope Activity

Looking back at the activities we’ve seen so far, we have a basic activity that handles events, a delay activity that fires events, a composite activity that enables sequential flow, and a parallel flow composite activity. Would you believe there is an event-related activity that combines both sequential and parallel behavior? There is—the EventHandlingScope activity.

EventHandlingScope is a composite activity that is designed to contain an EventHandlers activity (which is, itself, a container for IEventActivity objects) as well as a single other non-event-based composite activity, such as Sequence or Parallel. The non-event-based composite activity continues to execute until all the events contained in the ...