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DCOM the Distributed Component Object Model is a recent upgrade of a timehonored and welltested technology promoted by Microsoft for distributed object programming. Now that components are playing a larger and larger part in Windows 98, Windows NT 4.0, and Windows 2000, every Windows programmer will want to understand the technology. DCOM competes with CORBA as a rich and robust method for creating expandable and flexible components, allowing you to plug in new parts conveniently and upgrade without the need for code changes to every program that uses your component. This book introduces C++ programmers to DCOM and gives them the basic tools they need to write secure, maintainable programs. While using Visual C++ development tools and wizards where appropriate, the author never leaves the results up to magic. The C++ code used to create distributed components and the communications exchanged between systems and objects are described at a level where the reader understands their significance and can use the insights for such tasks as debugging and improving performance. The first few chapters explain both the remote procedure calls that underlie DCOM`s communication and the way DCOM uses C++ classes. Readers become firmly grounded in the relation between components, classes, and objects, the ways objects are created and destroyed, how clients find servers, and the basics of security and threading. After giving you a grounding in how DCOM works, this book introduces you to the Microsoft tools that make it all easy. By showing what really happens each time you choose a button in a wizard, Learning DCOM makes it possible for you to choose what you need. This book is for anyone who wants to understand DCOM. While thoroughly practical in its goals, it doesn`t stint on the background you need to make your programs safe, efficient, and easy to maintain. About the AuthorThuan L. Thai started computer programming 15 years ago but has never been tired with this hobbyone that he truly considers an art. He is currently a senior systems engineer at SAIC where he has led the architecture and development of several successful distributed and COMbased imaging systems. He also teaches Win32, MFC, and COM programming courses for Learning Tree International. Prior to all this, Thuan worked for AMS where he developed multitiered, object frameworks using C++ and RPC. He received his bachelor of science in computer science from the University of Virginia.When not developing software, Thuan enjoys strumming his six strings and writing songs every now and then. He often plays 9ball with the same buddies with whom he has played the game for over eight years. Thuan hopes to play more tennis, the only sport that he has ever played for more than eight hours in a single day.
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