Re-Throwing Exceptions

Program.cs

using System;

namespace implement_exception_handling
{
    class Program
    {
        static void Main(string[] args)
        {
            var notSoGreatPhrase = "That is a not-so-great phrase";

            try
            {
                var phrase1ToInt = int.Parse(notSoGreatPhrase);
            }
            catch (FormatException)
            {
                //Use that when you want to log something, you don't really want to change the exception
                throw;
            }

            try
            {
                var phrase2ToInt = int.Parse(notSoGreatPhrase);
            }
            catch (FormatException exception)
            {
                // THrow a new exception, but add the original as a parameter. 
                // You keep the information about the original exception
                throw new NotSoGreatException("Not-so-great Exception", exception);
            }

            try
            {
                var phrase3ToInt = int.Parse(notSoGreatPhrase);
            }
            catch (FormatException)
            {
                // Throwing the same exception does not really help a lot, since it cleans the call stack and make
                // harder to debug the code
                throw new FormatException("Throwing the same exception");
            }

            Console.ReadKey();
        }

        public class NotSoGreatException : Exception
        {
            public NotSoGreatException(string message, Exception exception) : base(message, exception)
            {
                
            }
        }
    }
}