using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        MyList dummy1 = new MyList("dummy1");

        MyList dummy2 = new MyList("dummy2");

        MyList dummy3 = new MyList("dummy3");

        MyList dummy4 = new MyList("dummy4");

        Dictionary<int, MyList> _d = new Dictionary<int, MyList>()

        {

            {1, dummy1},

            {2, dummy2}, 

            {3, dummy3}, 

            {4, dummy4}, 

        };

        foreach (var key in _d.Keys)

        {

            Console.WriteLine(_d[key].Name);

        }

    }

}

​

public class MyList : List<String>

{

    private string name;

    public string Name

    {

        get

        {

            return name;

        }

    }

​

    public MyList(string name)

    {

        this.name = name;

    }

}