COM+ Unleashed

Summary

In this chapter, you learned how COM+ addresses the issue of event notification via loosely coupled events and the Event Service. After learning the roles of the publisher and subscriber components in the Event Service architecture, you saw a simple application that fires an event and another application that receives notification of that event's firing. After that, you discovered some of the more advanced issues of the COM+ Event Service such as dealing with the IEventSubscription interface and using the COM+ Event Service admin interfaces to register and unregister transient subscriptions. Finally, you learned how to programmatically filter the subscriber's incoming events. At this point, you've learned quite a bit about using asynchronous ...