.NET stack preservation

throw1.cs

using System;

namespace ConsoleApp1
{
    class Program
    {
		static void Main(string[] args)
        {
            try
            {
                try
                {
                    for (int i = 0; i < 100; i++)
                    {
                        if (i == 99)
                        {
                            throw new ApplicationException("test");
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.StackTrace); // Writes stack pointing to line 17
                    Console.WriteLine();
                    throw;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace); // Writes stack pointing to line 25, not helpful
            }
            Console.ReadLine();
        }
    }
}

// Output
// at ConsoleApp1.Program.Main(String[] args) in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 17
// at ConsoleApp1.Program.Main(String[] args) in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 25

throw2.cs

using System;

namespace ConsoleApp1
{
    class Program
    {
		static void Main(string[] args)
        {
            try
            {
                try
                {
                    BadWork();
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.StackTrace); // Writes stack with line 35
                    Console.WriteLine();
                    throw;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace); // Writes stack with line 35
            }
            Console.ReadLine();
        }

        static void BadWork()
        {
            for (int i = 0; i < 100; i++)
            {
                if (i == 99)
                {
                    throw new ApplicationException("test");
                }
            }
        }
    }
}

// Output
// at ConsoleApp1.Program.BadWork() in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 35
// at ConsoleApp1.Program.Main(String[] args) in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 13
//
// at ConsoleApp1.Program.BadWork() in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 35
// at ConsoleApp1.Program.Main(String[] args) in C:\Projects\ConsoleApp1\ConsoleApp1\Program.cs:line 19