Xaml. Controls. Primitives
Defines classes that represent the component parts of UI controls, or otherwise support the control composition model. Also defines interfaces for control patterns such as snapping and selection.
Describes the position of an item that is managed by ItemContainerGenerator.
This namespace documentation contains only .NET projections of Windows Runtime (WinRT) types where the projection differs from the WinRT type. To see the complete list of types for this namespace, see Windows.UI.Xaml.Controls.Primitives in the UWP API reference.