using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

namespace ClassLibrary1

{

    public class KeyService

    {

        Dictionary<String, Guid> d = new Dictionary<string, Guid>();

        public Guid GetKeyByName(string name)

        {

            if (d.ContainsKey(name))

                return d[name];

            Guid key = Guid.NewGuid();

            d.Add(name, key);

            return key;

        }

    }

}

​