Csharp Mixins

CsharpMixins.cs

//Idea from: http://stackoverflow.com/questions/9033/hidden-features-of-c#238462
class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(new Foo().Dance());
            Console.WriteLine(new Bar().Dance());
            Console.ReadKey();

            /*Output:
            dance lomo! FooMONI
            dance lomo! BarMONI
             */
        }
    }
    class Foo: DodoMixin
    {
        public string Moniker
        {
            get
            {
               return "FooMONI";
            }
        }
    }
    class Bar: DodoMixin
    {  
	public string Moniker
        {
            get
            {
                return "BarMONI";
            }
        }
    }
    public interface DodoMixin
    {
        string Moniker { get; }
    }
    public static class Woga
    {
        public static string Dance(this DodoMixin @this)
        {
            return "dance lomo! " + @this.Moniker;
        }
    }