Layouts and controls are the building blocks of the user interface for Windows Store apps. You declare these building blocks using Extensible Application Markup Language (XAML, pronounced “zammel”). XAML is an open specification1 that provides a declarative syntax for instantiating objects and setting their properties. XAML was originally used to declare the UI for WPF applications and was later included with Silverlight. The Windows Runtime extends XAML with the ability to create and set properties on WinRT components.
Elements in XAML documents represent objects. The following XAML snippet defines a
It is the equivalent of instantiating ...