using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Demo is going to be created");

        var d = new Demo();

        Console.WriteLine("Demo has been created");

    }

}

​

public class Demo

{

    public Demo()

    {

        Console.WriteLine("Running constructor");

        action = CreateAction();

    }

​

    private IService _service;

    Action<Guid> action;

    public Action<Guid> CreateAction() // Now it does not need to be "static"

    {

        Console.WriteLine("Running CreateAction");

        return null;

    }

}

​

public interface IService { }