SecondAddin.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

[assembly: wtf.windegger.addinframework.AddinIdentifier("wtf.windegger.addinframework.SecondAddin")]
namespace wtf.windegger.addinframework
{
    public class SecondAddin : IAddin
    {
        #region IAddin Members

        public void WriteSomething()
        {
            Console.WriteLine("SecondAddin loaded");
        }

        #endregion
    }
}