C# Online Compiler | .NET Fiddle

using System;
using System.Collections.Generic;

namespace HelloWorld_v6
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var world = new World_v6();
            world.speak();
        }
    }
}



public class FrameEvent {
	public FrameEvent(String Msg, Dictionary<String,object> Parameters) {
		this.Msg = Msg;
		this.Parameters = Parameters;
	}
	public String Msg;
	public Dictionary<String,Object> Parameters;
	public Object Return;
}

public partial class World_v6 {

    public World_v6() {

        _state_ = _sBegin_;
    }

    //===================== Interface Block ===================//

    public void speak() {
        FrameEvent e = new FrameEvent("speak",null);
        _state_(e);
    }


    //===================== Machine Block ===================//

    private void _sBegin_(FrameEvent e) {
        if (e.Msg.Equals("speak")) {
            print_do("Hello World");
            return;
        }
    }

    //===================== Actions Block ===================//


    public virtual void print_do(string msg) {
        Console.WriteLine(msg);
    }

    //=========== Machinery and Mechanisms ===========//

    private delegate void FrameState(FrameEvent e);
    private FrameState _state_;

}

 
using System;
using System.Collections.Generic;
​
namespace HelloWorld_v6
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var world = new World_v6();
            world.speak();
        }
    }
}
​
​
​
public class FrameEvent {
    public FrameEvent(String Msg, Dictionary<String,object> Parameters) {
        this.Msg = Msg;
        this.Parameters = Parameters;
    }
    public String Msg;
    public Dictionary<String,Object> Parameters;