http://www.microsoft.com/downloads/details.aspx?FamilyId=bcb166f7-dd16-448b-a152-9845760d9b4c&displaylang=en
文档下载：
http://download.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=entlib&DownloadId=117985&FileTime=129174739994130000&Build=16983
msdn:
http://msdn.microsoft.com/en-us/library/ff632023.aspx