using System;

​

public static class Foo

{

    static Foo()

    {

        Console.WriteLine("inside cctor");

    }

​

    public static void Run()

    {

    }

}

​

public class Program

{

    public static void Main()

    {

        Foo.Run(); // runs cctor

        typeof(Foo).TypeInitializer.Invoke(null, null); // does not run cctor

        typeof(Foo).TypeInitializer.Invoke(null, null); // does not run cctor

        typeof(Foo).TypeInitializer.Invoke(null, null); // does not run cctor

    }

}