using System;

​

public class Foo

{

    public string Name { get; set; }

}

public class Program

{

    public static void Bar( object obj)

    {

        var pew = (Foo)obj;

        Console.WriteLine(pew.Name);

    }

    public static void Main()

    {

        Foo foo = new Foo();

        foo.Name = "blah";

        Bar(foo);

    }

}