为什么不用微软提供的那个,还是开源的
http://community.csdn.net/Expert/topic/3757/3757278.xml?temp=.1163599下载地址
http://www.microsoft.com/downloads/details.aspx?FamilyId=F63D1F0A-9877-4A7B-88EC-0426B48DF275&displaylang=enhttp://msdn.microsoft.com/architecture/patterns/default.aspx