private static void Main()
            {
                // Create an instance of the sample class
                // and call its Run() method to start it.
                var app = new InvokePatternApp();

                app.Run();
            }
            private static void Main()
            {
                // Create an instance of the sample class 
                // and call its Run() method to start it.
                var app = new InvokePatternApp();

                app.Run();
            }