Dec 20, 2025 · WinUI 3 is Microsoft's modern native user interface framework for building Windows desktop applications. It brings the Fluent Design System, high-performance …

Dec 18, 2025 · This Hello World guide walks you through setting up your WinUI and Windows App SDK development environment in Visual Studio and creating your first app.

Nov 25, 2025 · Windowing functionality in a WinUI app is provided by a combination of the XAML Window class and the AppWindow class, both of which are based on the Win32 HWND model.

Apr 29, 2025 · WinUI 2.8 is the latest stable version of WinUI that can be used for building production UWP applications (and desktop applications using XAML Islands). The library is …

Apr 29, 2025 · WinUI 2 is tightly integrated with Windows SDKs and provides official native Windows UI controls and other user interface elements for UWP applications (and desktop …

Oct 3, 2024 · This section provides detailed information about the Windows Runtime (WinRT) APIs. These APIs are for UWP app development on Windows 10.

Mar 6, 2025 · In this topic, we step through how to build a basic C# .NET application with WinUI 3 and Win32 interop capabilities using Platform Invocation Services (PInvoke).

Apr 29, 2025 · WinUI 2.8 is the latest stable release of WinUI for UWP applications (and desktop applications using XAML Islands).

Sep 2, 2025 · This tutorial series demonstrates how to create a WinUI 3 app using XAML and C#. The app you'll create is a note app, where the user can create, save, and load multiple notes.

Nov 13, 2025 · Once you've set up your development computer, you're ready to create a WinUI 3 app by starting from one of the WinUI 3 project templates in Visual Studio. This topic describes …