Windows 10: Microsoft introduces WinUI 3 Preview 1

Brink · May 19, 2020

Today at Microsoft Build 2020 the WinUI team is excited to announce the latest version of WinUI 3 available for public preview: WinUI 3 Preview 1. This preview expands the world of WinUI to an even wider audience of developers â the previously-released WinUI 3 Alpha was only available to UWP app developers, but Preview 1 now enables WinUI usage in Desktop (Win32) apps as well!

What is WinUI?

WinUI is Microsoftâs most advanced user interface technology for building Windows apps. There are two versions of WinUI in active development: WinUI 2 and WinUI 3. WinUI 2 is a library of Fluent-based UI controls & styles for UWP XAML apps; it was first shipped in Oct 2018 and its latest release is v2.4 which came out recently on May 8th.

WinUI 3 is a currently-in-development, dramatic expansion of this library into a full-fledged, end-to-end, standalone UI framework. This UI framework continues the tradition of WinUI and UWP XAML, providing the very latest graphical capabilities and Fluent Design styling that embraces todayâs modern devices, hardware, and inputs. Technically, WinUI 3 decouples the XAML, Composition, and Input layers of Windows 10, and ships them independently via NuGet for any app targeting Windows 10 1803 and above. It can be used in both C++ and .NET-based apps.

WinUI 3 Preview 1 is the first pre-release of WinUI 3 that can be used in both UWP and Desktop apps, allowing every developer a chance to tap into the very latest UI technologies from Microsoft for building Windows apps. You can learn more about WinUI here.

Whatâs new in WinUI 3 Preview 1?

In addition to the aforementioned ability to use WinUI from Desktop apps, Preview 1 will also support .NET 5 when run in this Desktop context. Preview 1 is also the first preview of WinUI 3 to include the SwapChainPanel control â this is key for developers working with DirectX for providing custom graphical rendering as a part of their user experience.

In February, the WinUI team released an Alpha of WinUI 3 with an all-new Chromium-based WebView2 control. This same control carries through to Preview 1 and has been updated with several improvements. Preview 1 also offers several other advancements compared to the February Alpha:

Support for the .NET versions of several interfaces when using .NET 5. In Preview1, .NET 5 is used with Desktop apps. The interfaces (and a class) are: INotifyPropertyChanged, INotifyCollectionChanged, ObervableCollection<T>, and ICommand.

New, recently released controls ported forward from WinUI v2.4.

Several important bug fixes & stability improvements.

A full articulation of the capabilities and limitations of Preview 1 can be found in the WinUI 3 Preview 1 Release Notes. Of special note: Preview 1 should not be used in production apps, as it does not guarantee forward compatibility and may break in future updates we make to Windows 10.

Whoâs using WinUI?

At Build 2020 weâll share stories of customers and ecosystem partners weâre working with to improve & develop WinUI 3. Examples of these partnerships that will be referenced during the conference include:

Magix, a developer of audio & video solutions for creators, whoâs showcasing how theyâve harnessed the power of WinUI to modernize some of the UI components in their Win32-based VEGAS Pro app

Esri, market leader in geographic information system (GIS) software, using ArcGIS Runtime, .NET and SwapChainPanel with WinUI 3 Preview 1 to render gigabytes of geospatial data in rich, high performance mapping components

Telerik, a leading vendor of high quality .NET and JavaScript components for building modern, high performance, feature rich web, mobile and desktop apps

Uno platform, an open source platform for building apps that span across mobile endpoints, Windows, macOS, and the Web

These are just some of the great companies exploring and engaging with us as we develop WinUI 3, and in the coming months youâll learn more about these and other engagements as we prepare for the eventual release of WinUI 3.0 for general availability.

How can I get started?

To start with WinUI 3.0 Preview 1, head over to our download and release notes page. You can also find more information and technical setup details in our documentation on creating a Desktop app with WinUI.
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Source: https://blogs.windows.com/windowsdev...i-3-preview-1/

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Brink · May 20, 2020

Announcing Open Source of WPF, Windows Forms, and WinUI

At Build 2018, I outlined our approach to helping you be more productive when developing apps, including the introduction of .NET Core 3.0. We also started decoupling many parts of the Windows development platform, so you can adopt technologies incrementally. Today at Microsoft Connect(); 2018 Conference we shared the next steps – specifically to support innovations in UI:

.NET Core 3.0 Preview 1 adds support for building client apps using Windows Presentation Foundation (WPF), Windows Forms, and XAML Islands.

WPF, Windows Forms, and Windows UI XAML Library (WinUI) are now open source, so you can create experiences with the freedom you want.

.NET Core 3.0 Preview 1 available

As Scott Guthrie announced today, the first preview of .NET Core 3.0 is available. This version of .NET adds support for building Windows desktop apps using WPF and Windows Forms. You will now be able to:

Run multiple instances of .NET Core 3.0 side-by-side on the same computer so you can update WPF and Windows Forms apps to a new version of .NET without updating the entire OS.

Use modern controls and Fluent styling from the WinUI XAML Library via XAML Islands from .NET Core 3.0 apps.

Read about .NET Core 3.0 Preview 1, try out the preview, and give us feedback. The next version of the .NET Framework, .NET Framework 4.8, will include new controls that use the latest browser and media players in Windows 10, support the latest standards, and WPF and Windows Forms apps will have access to WinUI via XAML Islands for modern look and touch support. The .NET Team blog details the differences and compatibility between .NET Core and .NET Framework moving forward.

WPF, Windows Forms, and WinUI ready for your contributions

This journey is our continued commitment to creating the development platform with you, through open source. Our three, popular Windows UX frameworks are ready for your contributions on GitHub: WPF, Windows Forms, and WinUI. Open sourcing these technologies provides transparency between the product team and the community, helps democratize Windows development, and enables the community to engage and contribute to these repos.

We look forward to your contributions. You can get started with Windows Forms and WinUI now. WPF is starting with System.Xaml, with more to come over the following months.
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Source: Announcing Open Source of WPF, Windows Forms, and WinUI at Microsoft Connect(); 2018 - Windows Developer Blog

See also: .NET Core 3 Preview 1 and Open Source Windows Desktop Frameworks - Windows 10 Forums

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Brink · May 20, 2020

Announcing Open Source of WPF, Windows Forms, and WinUI

At Build 2018, I outlined our approach to helping you be more productive when developing apps, including the introduction of .NET Core 3.0. We also started decoupling many parts of the Windows development platform, so you can adopt technologies incrementally. Today at Microsoft Connect(); 2018 Conference we shared the next steps – specifically to support innovations in UI:

.NET Core 3.0 Preview 1 adds support for building client apps using Windows Presentation Foundation (WPF), Windows Forms, and XAML Islands.

WPF, Windows Forms, and Windows UI XAML Library (WinUI) are now open source, so you can create experiences with the freedom you want.

.NET Core 3.0 Preview 1 available

As Scott Guthrie announced today, the first preview of .NET Core 3.0 is available. This version of .NET adds support for building Windows desktop apps using WPF and Windows Forms. You will now be able to:

Run multiple instances of .NET Core 3.0 side-by-side on the same computer so you can update WPF and Windows Forms apps to a new version of .NET without updating the entire OS.

Use modern controls and Fluent styling from the WinUI XAML Library via XAML Islands from .NET Core 3.0 apps.

Read about .NET Core 3.0 Preview 1, try out the preview, and give us feedback. The next version of the .NET Framework, .NET Framework 4.8, will include new controls that use the latest browser and media players in Windows 10, support the latest standards, and WPF and Windows Forms apps will have access to WinUI via XAML Islands for modern look and touch support. The .NET Team blog details the differences and compatibility between .NET Core and .NET Framework moving forward.

WPF, Windows Forms, and WinUI ready for your contributions

This journey is our continued commitment to creating the development platform with you, through open source. Our three, popular Windows UX frameworks are ready for your contributions on GitHub: WPF, Windows Forms, and WinUI. Open sourcing these technologies provides transparency between the product team and the community, helps democratize Windows development, and enables the community to engage and contribute to these repos.

We look forward to your contributions. You can get started with Windows Forms and WinUI now. WPF is starting with System.Xaml, with more to come over the following months.
Click to expand...

Source: Announcing Open Source of WPF, Windows Forms, and WinUI at Microsoft Connect(); 2018 - Windows Developer Blog

See also: .NET Core 3 Preview 1 and Open Source Windows Desktop Frameworks - Windows 10 Forums

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Brink · May 20, 2020

New WinUI website for modern native UI platform of Windows

Want to learn more about #WinUI? Our new website explains the advantages of #WinUI, including better performance, future-proofed apps, and modern controls & UI. Check it out!

Read more:

WinUI

https://docs.microsoft.com/en-us/uwp...etting-started

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Windows 10: Microsoft introduces WinUI 3 Preview 1

Microsoft introduces WinUI 3 Preview 1

Microsoft introduces WinUI 3 Preview 1

Microsoft introduces WinUI 3 Preview 1

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