gistfile1.cs

    class Disposable : IDisposable
    {
#if DEBUG
        StackTrace stack = new StackTrace();
#endif

        readonly Action _action;
        public Disposable(Action action)
        {

            _action = action;
        }
        public void Dispose() 
        {
            _action();
#if DEBUG
            GC.SuppressFinalize(this);
            GC.KeepAlive(this); 
#endif
        }
#if DEBUG
        ~Disposable() {
            Debug.Assert(false, "Disposable was not used correctly " + stack.ToString()); 
        }
#endif
    }