Overview of app development options
This article contains all the information you need to get started building apps for the Windows desktop environment.
When you want to create a new app for Windows 11 or Windows 10, the first decision you make is what type of app to build. The Windows and .NET development tools in Visual Studio provide several different types of apps you can build, each with their own Visual Studio project types and different strengths. Each app type includes an app model that defines the lifecycle of the app, a default UI framework, and access to a comprehensive set APIs for using Windows features.
Create a WinUI 3 app
The Windows UI Library (WinUI) 3 is the latest and recommended user interface (UI) framework for Windows desktop apps, including managed apps that use C# and .NET and native apps that use C++ with the Win32 API. By incorporating the Fluent Design System into all experiences, controls, and styles, WinUI provides consistent, intuitive, and accessible experiences using the latest UI patterns.
WinUI 3 is available as part of the Windows App SDK. The Windows App SDK provides a unified set of APIs and tools that can be used in a consistent way by any C++ Win32 or C# .NET app on a broad set of target Windows OS versions.
If you have already installed the required developer tools, you are ready to Create your first WinUI 3 project.
WinUI also serves as the basis for cross-platform technologies that provide great native Windows experiences using a variety of coding languages. These frameworks harness the power of WinUI on Windows, while also enabling execution on other operating systems.
.NET Multi-platform App UI (MAUI) is an open-source, cross-platform framework for building Android, iOS, macOS, and Windows applications that leverage the native UI and services of each platform from a single .NET code base. Because .NET MAUI favors platform native experiences, it uses WinUI 3 and the Windows App SDK so apps get the latest user experience on Windows. This gives your apps access to everything you get with WinUI 3 plus the ability to reach to other platforms.
.NET MAUI for Windows is a great choice if:
- You want to share as much .NET code as possible across mobile and desktop applications.
- You want to ship your application beyond Windows to other desktop and mobile targets with native platform experiences.
- You want to use C# and/or XAML for building cross-platform apps.
- You're using Blazor for web development and wish to include all or part of that in a mobile or desktop application.
For more information about .NET MAUI, see the following links:
Other app types
For more information about the app types you can choose from, see the following tabs.
Win32 desktop apps (also sometimes called classic desktop apps) are the original app type for native Windows applications that require direct access to Windows and hardware. This makes this the app type of choice for applications that need the highest level of performance and direct access to system hardware.
Using the Win32 API with C++ makes it possible to achieve the highest levels of performance and efficiency by taking more control of the target platform with unmanaged code than is possible on a managed runtime environment like WinRT and .NET. However, exercising such a level of control over your application's execution requires greater care and attention to get right, and trades development productivity for runtime performance.
Here are a few highlights of what the Win32 API and C++ offers to enable you to build high-performance applications.
- Hardware-level optimizations, including tight control over resource allocation, object lifetimes, data layout, alignment, byte packing, and more.
- Access to performance-oriented instruction sets like SSE and AVX through intrinsic functions.
- Efficient, type-safe generic programming by using templates.
- Efficient and safe containers and algorithms.
- DirectX, in particular Direct3D and DirectCompute (note that UWP also offers DirectX interop).
- Use C++/WinRT to create modern desktop Win32 apps with first-class access to Windows Runtime (WinRT) APIs.
You also have access to modern Windows platform features and APIs provided by the Windows App SDK. For more information, see Modernize your desktop apps.
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