using System;
using System.Collections.Generic;
using System.Text;

namespace ThrowException
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                try
                {
                    GenerateException("rethrow");
                }
                catch (ArgumentException)
                {
                    throw;
                }
            }
            catch (Exception ex)
            {
                PrintStack(ex);
            }

            Console.WriteLine("\r\n********************\r\n");

            try
            {
                try
                {
                    GenerateException("rethrow ex");
                }
                catch (ArgumentException ex)
                {
                    throw ex;
                }
            }
            catch (Exception ex)
            {
                PrintStack(ex);
            }
            Console.ReadKey();
        }
        static void GenerateException(String arg)
        {
            GoDeep(arg);
        }
        static void GoDeep(String arg)
        {
            throw new ArgumentException(arg);
        }
        static void PrintStack(Exception ex)
        {
            Console.WriteLine(ex.StackTrace);
        }
    }
}