[.NET Concept]throw V.S throw ex

January 3, 2011
namespace ConsoleApplication6 { class Program {
    static void Main()
    {
        TestThrow();
        TestThrowEx();
    }


    static void ThrowException()
    {
        throw new Exception();
    }

    static void TestThrow()
    {
        try
        {
            try
            {
                ThrowException();
            }
            catch (Exception)
            {
                throw;
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("TestThrow");
            Console.WriteLine(ex.StackTrace);
            Console.WriteLine(new string('=',50));
        }
    }


    static void TestThrowEx()
    {
        try
        {
            try
            {
                ThrowException();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("TestThrowEx");
            Console.WriteLine(ex.StackTrace);
            Console.WriteLine(new string('=', 50));
        }
    }

}
}