这篇文章是参考微软内部文档重新编写而成，感谢相关内容的各位作者的辛勤劳动！

　　其内容介绍如下：

　　There are numerous enhancements included in the .NET Framework 3.5 ranging from improved support for logging events to the new event log in Windows Vista and Windows Server 2008 to new support for building and hosting add-ins with the new CLR Add-in framework.
　　This session will cover some of the key new features of the .NET Framework 3.5 base class libraries.

　　其主题有如下几个方面：

　　※ Overview
　　※ Base Class Library
　　※ Garbage Collector
　　※ Security
　　※ Misc (Dynamic Language Runtime, Silverlight)
　　※ Managed Add-in Framework (MAF)

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