Microsoft have released the April 2007 version of the MSDN library as a free download. MSDN Library provides access to essential programming information, including technical reference documentations, white papers, software development kits and code samples necessary to develop web services and applications. This is an updated version of the MSDN Library for Visual Studio 2005. Major updates in this library version include Visual Studio 2005 Service Pack 1 documentation and Windows Vista™ Developer documentation.
微软发布了4月号MSDN Library，并免费提供下载。其中包含了程序开发必须的信息，如技术参看文档、白皮书、软件开发包、代码实例等。这个版本针对Visual Studio2005更新，主要是Studio 2005 Service Pack 1文档以及Vista开发文档的更新。
更新内容有Updated content sets in this April 2007 Edition include）：
- Visual Studio 2005 Service Pack 1 documentation
- Visual Studio 2005 general documentation updates
- Windows Vista Developer documentation
- Windows® Driver Kit (WDK) documentation
- SQL Server™ 2005 Books Online product documentation
- SQL Server 2005 Compact Edition Books Online
- Microsoft Knowledge Base
Download: MSDN Library April 2007 - Freeware (2.19GB) | Page