using System;

public class Program

{

    public static void Main()

    {

        Foo foo = new Foo("Blue");

        FooWriter.WriteFoo(foo);

    }

public class FooWriter

    {

        public static void WriteFoo(Foo foo)

        {

            if (foo.Name == "Blue")

                Console.WriteLine("Foo is a color and that color is " + foo.Name);

            else if (foo.Name == "Square")

                Console.WriteLine("Foo is a shape and that shape is " + foo.Name);

            else if (foo.Name == "Invisible")

                Console.WriteLine("Now, where is that foo?");

            else

                Console.WriteLine("Huh, this is a default foo, we didn't expect that.");

        }

    }

    public class Foo

    {

        string _name;

        public Foo(string name)

        {

            _name = name;

        }

        public string Name

        {

            get { return _name; }

        }

    }

​

​

}