difference_of_throw_and_throwex.cs

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                Method1();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace);
            }
            finally
            {
                Console.ReadLine();
            }
        }

        static void Method1()
        {
            try
            {
                Method2();
            }
            catch (Exception ex)
            {
                throw;
                //throw ex;
            }
        }

        static void Method2()
        {
            throw new NotImplementedException();
        }
    }
}