NOTE: This book is the printed, XNA-focused edition of Programming Windows Phone 7, which is available as a free eBook from the Microsoft Download Center. A Microsoft Silverlightยฎ-focused edition is also available for sale in print (ISBN 978-0-7356-5667-3). The Microsoft eBook covers both XNA and Silverlight in one volume. Bring your game ideas to lifeโwith guidance from a Windows programming legend Begin creating your own game apps for Windows Phone 7โguided by the consummate teacher, award-winning author Charles Petzold. Focusing on the XNA 2D framework and the C# language, youโll learn how to extend your existing skillsโmastering core concepts and techniques for this new mobile platform. As always, Charles brings a unique combination of pragmatism and inspiration to his instructionโalong with a wealth of hands-on examples. Discover how to: Develop high-performance XNA 2D games Create and animate text and sprites Capture and embed bitmaps, balancing performance issues Support multi-touch inputโincluding tap, drag, flick, and pinch Manipulate bitmaps at the pixel level Apply dynamic textures Work with transforms Put components together for touch-and-play and tilt-and-play games Test-drive your game on Windows Phone Emulator Get code samples on the Web For system requirements, see the Introduction.