说明：  讲述大量Silverlight 4实例，以问答方式展示Silverlight 4各个方面应用的解决方案，该书已经印刷第二版，主要使用Silverlight 4技术。
(About a large number of instances of Silverlight 4, Silverlight 4 questions and answers demonstrate various aspects of application solutions, the second edition of the book has been printed, the main use of Silverlight 4 technology.)