C# 13 - Code examples that include all the new features

C# 13 has been launched as part of the .NET 9 release and it comes with lots of new features.

Download our code example where you can see a sample of the following features:

• params collections
• New lock object
• New escape sequence
• Implicit index access
• ref in async methods
• allows ref struct
• ref struct interfaces
• Partial properties and indexers

Software

This is the software that will need to be installed onto your machine.

• Visual Studio 2022. Version 17.12.0 or above. It will work with the free community version.
• .NET 9 SDK. Version 9.0.0 or above.

Get the application working

You'll need to fill out the code example form. We will send you an email where you can download the code example.

Open the project in Visual Studio

Open up RoundTheCode.CSharp13.sln in Visual Studio 2022. This will open up a console application with each new feature added to a separate class file.

For the new features that can be tested, you can run the console application and see what is outputted.

More information

All these new features are demonstrated in our C# 13 video which you can watch to get a better idea on how they work.

You can also read the tutorial on the new features of C# 13 to find out more about them.