[Answer] I Already Have VS C++ — How Do I Set Up C#?

[Answer] I Already Have VS C++ — How Do I Set Up C#?

Prerequisites

• Install the C# extension for Visual Studio Code. You can also install the official C# Dev Kit.
• Install the .NET 7 SDK or another version.

Create an Application

Start VS Code. You can create a new project folder and open it in VS Code, then open the VS Code terminal in that directory and run the following command to create a console application.

dotnet new console --framework net7.0

You can also use the following command to create a project named MyCSharpApp (inside the MyCSharpApp project directory):

dotnet new console -n MyCSharpApp --framework net7.0

Run dotnet run and you will see the command-line output Hello World.

By default, the project template generates a main program with just one top-level statement:

Console.WriteLine("Hello, world");

You can modify it as needed to use a namespace-based style instead:

namespace vscodesharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello, world");
        }
    }
}

Add References

If you want to add a library reference to the project, you can use a command such as dotnet add package System.IO.Ports, and then import it with using System.IO.Ports;.