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Windows UI Library 2.0

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WinUI 2.0 is the first public release of the Windows UI Library (released October 2018).

WinUI is the easiest way to build great Fluent Design experiences for Windows.

It includes two NuGet packages:

You can download and use WinUI packages in your app using the NuGet package manager: see Getting Started with the Windows UI Library for more information.

The Windows UI Library (WinUI) is hosted on GitHub where we encourage you to file bug reports, feature requests and community code contributions.

Microsoft.UI.Xaml 2.0.181011001

October 2018

This is the first release of the Microsoft.UI.Xaml NuGet package. It includes official native Fluent controls and features for Windows UWP apps.

New Features

Controls and patterns in this release include:

Feature Description
AcrylicBrush Paints an area with a semi-transparent material that uses multiple effects including blur and a noise texture.
BitmapIconSource Represents an icon source that uses a bitmap as its content.
ColorPicker Represents a control that lets a user pick a color using a color spectrum, sliders, and text input.
CommandBarFlyout Represents a specialized flyout that provides layout for AppBarButton and related command elements.
DropDownButton Represents a button with a chevron intended to open a menu.
FontIconSource Represents an icon source that uses a glyph from the specified font.
MenuBar Represents a specialized container that presents a set of menus in a horizontal row, typically at the top of an app window.
MenuBarItem Represents a top-level menu in a MenuBar control.
NavigationView Represents a container that enables navigation of app content. It has a header, a view for the main content, and a menu pane for navigation commands.
ParallaxView Represents a container that ties the scroll position of a foreground element, such as a list, to a background element, such as an image. As you scroll through the foreground element, it animates the background element to create a parallax effect.
PersonPicture Represents a control that displays the avatar image for a person, if one is available; if not, it displays the person's initials or a generic glyph.
RatingControl Represents a control that lets a user enter a star rating.
RefreshContainer Represents a container control that provides a RefreshVisualizer and pull-to-refresh functionality for scrollable content.
RefreshVisualizer Represents a control that provides animated state indicators for content refresh.
RevealBackgroundBrush Paints a control background with a reveal effect using composition brush and light effects.
RevealBorderBrush Paints a control border with a reveal effect using composition brush and light effects.
RevealBrush Base class for brushes that use composition effects and lighting to implement the reveal visual design treatment.
SplitButton Represents a button with two parts that can be invoked separately. One part behaves like a standard button and the other part invokes a flyout.
SwipeControl Represents a container that provides access to contextual commands through touch interactions.
SymbolIconSource Represents an icon source that uses a glyph from the Segoe MDL2 Assets font as its content.
TextCommandBarFlyout Represents a specialized command bar flyout that contains commands for editing text.
ToggleSplitButton Represents a button with two parts that can be invoked separately. One part behaves like a toggle button and the other part invokes a flyout.
TreeView Represents a hierarchical list with expanding and collapsing nodes that contain nested items.

Examples

Tip

For more info, design guidance, and code examples, see Design and code Windows apps.

The WinUI 3 Gallery and WinUI 2 Gallery apps include interactive examples of most WinUI 3 and WinUI 2 controls, features, and functionality.

If installed already, open them by clicking the following links: WinUI 3 Gallery or WinUI 2 Gallery.

If they are not installed, you can download the WinUI 3 Gallery and the WinUI 2 Gallery from the Microsoft Store.

You can also get the source code for both from GitHub (use the main branch for WinUI 3 and the winui2 branch for WinUI 2).

Documentation

How-to articles for Windows UI Library controls are included with the Universal Windows Platform controls documentation.

API reference docs are located here: Windows UI Library APIs.