using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("nameof: " + nameof(Test.Inner));

        Console.WriteLine("typeof: " + typeof(Test.Inner).FullName.Replace("+","."));

        Console.WriteLine("NameOfFQN: " + typeof(Test.Inner).NameOfFQN());

    }

}

​

class Test

{

    public class Inner

    {

    }

}

​

static class TypeExtensions

{

    public static string NameOfFQN(this Type type)

    {

        return type.FullName.Replace("+",".");

    }

}