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exception.GetBaseException()

class Program
{
    static void Main(string[] args)
    {
        Do(() => M(null, "one"));
        Do(() => M(() => M(() => M(null, "three"), "two"), "one"));
        Console.ReadLine();
    }

    static void M(Action a, string err)
    {
        try { if (a != null) a(); }
        catch (Exception e) { throw new Exception(err, e); }
        throw new Exception(err);
    }
    static void Do(Action a)
    {
        try
        {
            a();
            Console.WriteLine("All Good");
        }
        catch(Exception e)
        {
            var @base = e.GetBaseException();
            var top = e;
            while (top.InnerException != null)
                top = top.InnerException;
            Console.WriteLine("Exceptions!\t e == base {0}, top == base {1}", e == @base, top == @base);
        }
    }
}

On Error Resume Next

Quote:

The app, which took eight hours to create

Quote:

Someone call NORAD.

Kenneth Haugland wrote:

Norwegian government organization for developing countries