is a comprehensive book by Charles Petzold , originally published by Microsoft Press to provide a foundational guide for developers using C# and XAML to build cross-platform mobile applications.
While it remains a classic reference for understanding the core concepts of the framework, it is important to note that [0.35]. It has been succeeded by .NET Multi-platform App UI (.NET MAUI) , which is now the recommended path for new cross-platform development. Core Content of the Guide
: Covers basic views, layouts (like StackLayout and Grid ), and handling text and colors.