using System;

using Polly;

using Polly.Fallback;

​

namespace MatchExceptionType

{

    public class Program

    {

        public static void Main(string[] args)

        {

            Type exceptionType = Type.GetType("System.DivideByZeroException");

            FallbackPolicy<string> policy = Policy<String>

                .Handle<Exception>(e => exceptionType.IsAssignableFrom(e.GetType()))

                .Fallback(e => "Policy handled a DivideByZeroException");

​

            String result = policy.Execute(() => { throw new DivideByZeroException();});

            Console.WriteLine(result);

            try {

                string discarded = policy.Execute(() => { throw new OverflowException();}); // Policy won't handle this.

            }

            catch

            {

                Console.WriteLine("As expected, Policy didn't handle an OverflowException.");

            }

        }

    }

}

​