Func<Stream>

Funky.cs

        public Func<Stream> Execute()
        {
            var writer = new StringWriter();
            var view = (SparkViewBase)_provider.GetView();

            _partialOutput.SetWriter(() => view.Output);
            view.Output = writer;

            // something a la this:
            return () =>
            {
                view.RenderView(writer);
                var ms = new MemoryStream();
                var sw = new StreamWriter(ms);
                sw.Write(writer.ToString());
                return ms;
            }; // worry about the content type later

            //_outputWriter.WriteHtml(writer);
        }