Using protocol handlers as a ultra thin layer of integration

ProtocolHandlerDemoClient.cs

    /// <summary>
    /// The Main class of the application.
    /// </summary>
    static class Program
    {
        // Private members
        private static MainForm mainForm;

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            //Creates a new SingleInstanceApplication (from the VB Namespace)
            SingleInstanceApplication app = new SingleInstanceApplication();
            app.StartupNextInstance += new StartupNextInstanceEventHandler(app_StartupNextInstance);

            //Creates the MainForm and loads the application.
            mainForm = new MainForm();
            app.Run(mainForm);
        }

        /// <summary>
        /// Method executed if the application is allready running.
        /// </summary>
        static void app_StartupNextInstance(object sender, StartupNextInstanceEventArgs e)
        {
            //Tels the loaded main form to parse the command line arguments.
            List<string> list = new List<string>(e.CommandLine);
            mainForm.ParseCommandLine(list.ToArray());
        }
    }

    /// <summary>
    /// A SingleInstanceApplication extending the application base. Part of the VB namespaces.
    /// </summary>
    public class SingleInstanceApplication : WindowsFormsApplicationBase
    {
        public SingleInstanceApplication(AuthenticationMode mode) : base(mode)
        {
            InitializeAppProperties();
        }

        public SingleInstanceApplication()
        {
            InitializeAppProperties();
        }

        protected virtual void InitializeAppProperties()
        {
            this.IsSingleInstance = true;
            this.EnableVisualStyles = true;
        }

        public virtual void Run(MainForm mainForm)
        {
            List<string> list = new List<string>(this.CommandLineArgs);
            mainForm.ParseCommandLine(list.ToArray());
            this.MainForm = mainForm;
            this.Run(list.ToArray());            
        }
    }