Windows namespaces

Article
04/29/2013

The Windows namespaces (Windows.Foundation, Windows.UI, Windows.UI.Xaml, Windows.UI.Xaml.Controls.Primitives, Windows.UI.Xaml.Media, Windows.UI.Xaml.Media.Animation, and Windows.UI.Xaml.Media.Media3D) contain types for managing the user interface of your application.

This topic displays the types in the Windows namespaces that are included in the .NET for Windows Store apps. Note that the .NET for Windows Store apps do not include all the members of each type. For information about individual types, see the linked topics. The documentation for a type indicates which members are included in the .NET for Windows Store apps.

Windows Store apps only: APIs for Windows Store apps that are expressed as HTML or XAML elements are supported only in Windows Store apps; they are not supported in desktop apps or Windows Store enabled desktop browsers.

Windows.Foundation namespace

Types supported in the .NET for Windows Store apps	Description
Point	Represents an x- and y-coordinate pair in two-dimensional space. Can also represent a logical point for certain property usages.
Rect	Describes the width, height, and point origin of a rectangle.
Size	Describes the width and height of an object.

Windows.UI namespace

Types supported in the .NET for Windows Store apps	Description
Color	Describes a color in terms of alpha, red, green, and blue channels.

Windows.UI.Xaml namespace

Types supported in the .NET for Windows Store apps	Description
CornerRadius	Describes the characteristics of a rounded corner, such as can be applied to a Windows.UI.Xaml.Controls.Border.
Duration	Represents the duration of time that a Windows.UI.Xaml.Media.Animation.Timeline is active.
DurationType	Specifies whether a Duration has a special value of Automatic or Forever, or has valid information in its TimeSpan component.
GridLength	Represents the length of elements that explicitly support Star unit types.
GridUnitType	Describes the kind of value that a GridLength object is holding.
Thickness	Describes the thickness of a frame around a rectangle. Four Double values describe the Left, Top, Right, and Bottom sides of the rectangle, respectively.

Windows.UI.Xaml.Controls.Primitives namespace

Types supported in the .NET for Windows Store apps	Description
GeneratorPosition	Used to describe the position of an item that is managed by Windows.UI.Xaml.Controls.ItemContainerGenerator.

Windows.UI.Xaml.Media namespace

Types supported in the .NET for Windows Store apps	Description
Matrix	Represents a 3x3 affine transformation matrix used for transformations in two-dimensional space.

Windows.UI.Xaml.Media.Animation namespace

Types supported in the .NET for Windows Store apps	Description
KeyTime	Specifies when a particular key frame should take place during an animation.
RepeatBehavior	Describes how a Windows.UI.Xaml.Media.Animation.Timeline repeats its simple duration.
RepeatBehaviorType	Specifies the repeat mode that a RepeatBehavior raw value represents.

Windows.UI.Xaml.Media.Media3D namespace

Types supported in the .NET for Windows Store apps	Description
Matrix3D	Represents a 4 × 4 matrix that is used for transformations in a three-dimensional (3-D) space.

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