PatternMatch in C#

patternMatch.cs

using System;

namespace ConsoleApplication
{
    public abstract class Name : Exception{}
    public class FirstName : Name {
        public FirstName(string name) { Name = name; }
        public string Name { get; private set;}
    }
    public class LastName : Name {
        public LastName(string name) { Name = name; }
        public string Name { get; private set;}
    }

    class Program
    {
        static void Main(string[] args)
        {
            printName(new FirstName("名前"));
            printName(new LastName("苗字"));

            Console.ReadKey();
        }

        static void printName(Name name) {
            try {
                throw(name);
            }catch (FirstName n) {
                Console.WriteLine("Your first name is " + n.Name);
            }catch (LastName n) {
                Console.WriteLine("Your last name is " + n.Name);
            } catch (Name e) {
                Console.WriteLine(e.StackTrace);
            }
        }
    }
}