using System;

using System.IO;

public class Program

{

    public static void Main()

    {

        using(var thing = new ThingThatWillFail())

        {

            try{

            thing.Fail();

            }

            catch(Exception e)

            {

                Console.WriteLine(e.Message);

            }

        }

    }

}

​

public class ThingThatWillFail :IDisposable 

{

    public void Dispose()

    {

        Console.WriteLine("I disposed!");

    }

    public void Fail()

    {

        throw new Exception("I failed!");

    }

}