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Last updated on 1/25/2016

Implementation Tutorials

Implementing COM+ Events (12/00) Delphi 5
Provides a basic understanding of COM+ Events. 
[This article was published in the Delphi Informant magazine on 12/2000. The above link points to said publication.]

Implementing an Event Framework (12/99) Delphi 4 | Delphi 5
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+
Download
Delphi source:
EventSystemDelphi.zip (380k)
Implementing a Plug-in Framework (10/99) Delphi 3 | Delphi 4 | Delphi 5
C++ Builder 4
Demonstrates how to implement a simple COM-based plug-in framework. In this tutorial, you'll learn:
  • How to design a plug-in framework and plug-in interfaces
  • How to manage plug-ins using COM component categories
Download
Delphi source:
ExplorerDelphi.zip (20k)
C++ Builder source:
ExplorerCBuilder.zip (25k)
Implementing a Multi-User DCOM Application (9/99) Delphi 3 | Delphi 4 | Delphi 5
C++ Builder 4
Demonstrates how to implement a simple multi-user Message Board application that runs on DCOM. In this tutorial, you'll learn:
  • How to apply DCOM design & optimization techniques
  • Basic DCOM configuration and security issues
Download
Delphi source:
MessageBoardDelphi.zip (20k)
C++ Builder source:
MessageBoardCBuilder.zip (25k)
Implementing Object Hierarchies (8/99) Delphi 3 | Delphi 4 | Delphi 5
C++ Builder 4
Demonstrates how to implement object hierarchies in your COM server. An example of an object hierarchy is MS Word's object model. In this tutorial, you'll learn:
  • How to implement "root" level and "sub-object" level classes
  • How to implement a "standard" object collection
  • How to implement a client application that uses the server's object hierarchy
Download
Delphi source:
FileSystemDelphi.zip (250k)
C++ Builder source:
FileSystemCBuilder.zip (40k)
Copyright (c) 1999-2011 Binh Ly. All Rights Reserved.