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In the late 1990s, Rockford Lhotka wrote about how to create distributed, objectoriented Windows applications using the limited facilities of Visual Basic 6, COM, and DCOM. The introduction of .NET has motivated him to revisit those themes and revise his strategy. In this book, he explains how .NET changes what`s possible, and demonstrates what he believes to be the best way to use it.The book has three parts. In the first, the author analyzes logical and physical application architectures, exploring their effect on scalability, fault tolerance, and performance. In the second, he implements and documents a Visual Basic .NET framework for the creation of distributed, objectoriented applications that employ .NET technologies including remoting, serialization, and autodeployment. This framework encapsulates functionality such as database access, transaction handling, and location transparency, which are inherited automatically by any applications created from it.In the last part of the book, the author uses the framework to create a sample application, and demonstrates the ease with which it`s possible to write Windows, web, and web services interfaces for the underlying objects.What you will learn from this bookWhether you`ve already made the move to Visual Basic .NET, or you want to know what`s in it for you when you do, this book will show you the kinds of opportunities that .NET makes available. It will allow you to make clear, informed decisions about the right way to develop your projects, and show you how the tradeoff between performance and flexibility can be made successfully.As well as these, this book contains the author`s Componentbased, Scalable, Logical Architecture (CSLA .NET), an objectoriented framework that can act as the foundation for a diverse range of enterprise applications, and which you`re free to examine, use, and modify for your needs.
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