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Author: Juval L?wy


Publisher: O'Reilly Media, Inc. (2001)


Binding: Paperback, 384 pages


pricer: $49.99


ISBN-10: 0596001037


editorialreviews

Aimed at the more experienced developer or Windows administrator responsible for deployment, COM and .NET Component Services provides an expert guide to getting the most out of COM services on the Windows 2000/XP platform, including material on the new .NET platform. This guide will help you create state-of-the-art, scalable Windows components that take full advantage of transactions, object pooling, and powerful administrative features available in COM .

While Microsoft is about to replace COM components with the new .NET standard, COM is still a viable technology and will be fully supported (and even enhanced) in the new .NET Framework. Much of COM and .NET Component Services concentrates on C and Visual Basic examples that explore areas of functionality, plus practical tips for configuring and administering components with such tools as the COM Services Explorer.

The expert perspective here will help you design components that work with COM effectively. There is plenty of background material on COM topics like marshaling and interception, which allow objects to be pooled behind the scenes on the Windows platform. But the focus is on the real APIs and programming techniques developers need to work with COM . This practical focus extends to specific suggestions and pitfalls to avoid for each area of COM development. There is good material on COM transactions here, along with some excellent material on asynchronous components that tap COM queuing capabilities.

The book concludes with a long chapter on .NET, which brings this title current with Microsoft's new programming platform. The author recaps the APIs covered earlier in the book using .NET and C . (COM is still a part of .NET, but you'll use a different set of APIs and programming language to work with it.) The book concludes with a glance at new COM 1.5 features, plus a quick introduction to .NET.

In all, this title strikes a good balance between the old and the new. After reading this smart and fast-moving text, developers will be able to immediately learn COM skills that will have practical benefit for both current and future Windows software. --Richard Dragan

Topics covered: Overview on COM Components (features and basic deployment), COM contexts (marshaling and interception), COM instance management, object pooling, just-in-time activation (JITA), COM transactions, transaction basics, compensating transactions, two-phase commits and voting, apartments and concurrency, activities, the neutral threading apartment, APIs for manipulating the COM catalog, security (roles, programmatic security and pitfalls), queued components (synchronous and asynchronous components), COM events and the Event Service (filtering, distributed and asynchronous events), sample code in C (and Visual Basic 6), .NET serviced components, .NET packages and APIs for COM development, introduction to COM 1.5 and the .NET Framework, and administration and programming hints for COM .




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