For those who are interested, there's a new tutorial on my new site:
http://www.techvanguards.com

Implementing an Event Framework (12/99) Delphi 4 | Delphi 5
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Demonstrates how to implement a distributed (loosely-coupled) COM-based
event system infrastructure. In this tutorial, you'll learn:
How to hide the complexities of COM events into a simpler event framework
How to use the COM+ publisher/subscriber event system
How to design and use an event framework that works for both COM and COM+

Also there's a new EventSinkImp version that comes with this tutorial.

have fun
--
Binh Ly
Need help on COM development?
http://www.techvanguards.com