If you're a .NET developer looking to build tablet apps, this practical book takes you step-by-step through the process of developing apps for the Windows Store. You'll learn how to use Microsoft's Modern UI design language with Windows 8.1 and WinRT 8.1.1 by building a line-of-business mobile app with C# through the course of the book. To develop the app, you'll work with the same system details and design specs that apply to retail apps, such as persistence, backend service, and Windows 8 features for sharing and search. You'll learn how to develop the code, incorporate third-party open source products, and package your app for the Windows Store. Build a UI with XAML and the Model/View/View-Model pattern Understand asynchrony-and rediscover thread...