AuthoringDemo

C#/WinRT Authoring Sample

This sample demonstrates how to author a simple C#/WinRT component and consume the component as a project reference.

• AuthoringDemo is a C# .NET 6 class library project that uses the C#/WinRT NuGet package to generate a WinRT component. There are two runtime classes authored in Example.cs and FolderEnumeration.cs, which demonstrate the usage of basic types and WinRT types.

The following apps demonstrate how to consume the C#/WinRT component AuthoringDemo:

• CppConsoleApp is a Windows Console Application (C++/WinRT) project that consumes the AuthoringDemo component with a project reference.

• WinUI3CppApp is a C++/WinRT desktop app using the Windows App SDK Blank App, Packaged (WinUI 3 in Desktop) template (see create a WinUI3 C++ Packaged app).

Prerequisites

• .NET 8
• Visual Studio 2022

Note: This sample can be modified to target .NET 5 and Visual Studio 2019. This involves editing the TargetFramework properties to target net5.0-windows10.0.19041.0.

Building and running the sample

1. Open AuthoringDemo.sln in Visual Studio 2022.

2. Ensure that the CppConsoleApp project is set as the startup project.

3. From Visual Studio, choose Start Debugging (F5).

Resources

• Authoring C#/WinRT components