SafetyFramework

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StructException
{
    class Program
    {
        static void Main(string[] args)
        {
            Test t;
            try
            {
                t = new Test();
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }

            Console.ReadLine();
        }
    }

    class Test : SafetyFramework
    {
        // Something contains a thread or socket descriptor so must be cleaned up.
        FileStream fs;
        public Test()
        {
            Safe(() => fs = new FileStream("ErrorOut", FileMode.Open));
        }

        public override void Dispose()
        {
            Console.WriteLine("Disposing FS");
            if (fs != null) fs.Dispose();
        }
    };

    public class SafetyFramework : IDisposable
    {
        protected void Safe(Action a)
        {
            try
            {
                a();
            }
            catch
            {
                Dispose();
                throw;
            }
        }

        public virtual void Dispose()
        {
        }
    }

}