More and more developers are getting started with rich Internet and mobile application development using Microsoft's state-of-the-art Silverlight 4 platform. This book will help you rapidly build production quality code and gain real-world expertise. It brings together proven, tested sample code and step-by-step tutorials for more than 50 of the tasks Silverlight 4 developers need to master in order to build effective applications. Ranging from a few lines to several pages, this book's code samples show how to create interactivity; make the most of streaming and other media content; implement widgets and gadgets; create vector graphics, 2D images, and animations; generate ad banners; and much more.Silverlight 4 How-Toranges across the entire development lifecycle, covering everything from designing user-centered interfaces to visualizing data; working with web services to creating games; serving mobile devices to debugging, packaging, and deploying applications. Along the way, you will learn how to use Silverlight 4 with a wide variety of complementary Microsoft and industry-standard technologies, including XAML, LINQ, ASP.NET, Visual Studio 2010, Ajax, XHTML, RSS, and Microsoft SQL Server.