Ancestry.QueryProcessor.ConsoleApp.Program.Main C# (CSharp) Method

        static void Main(string[] args)
        {
            Console.WriteLine("DotQL Console.  Execute: Control Enter or F5.  Exit: Control C or Control F5");

            StringBuilder sb = new StringBuilder();
            bool done = false;

            Command command = Command.None;

            while (!done)
            {
                command = Command.None;

                ConsoleKeyInfo info = Console.ReadKey(false);

                switch (info.Key)
                {
                    case ConsoleKey.F5:
                        if (info.Modifiers == ConsoleModifiers.Control)
                        {
                            command = Command.Stop;
                        }
                        else
                        {
                            command = Command.Execute;
                        }
                        break;

                    case ConsoleKey.Enter:
                        if (info.Modifiers == ConsoleModifiers.Control)
                        {
                            command = Command.Execute;
                        }
                        break;

                    default:
                        command = Command.None;
                        break;
                }

                switch (command)
                {
                    case Command.Execute:
                        Execute(sb);
                        break;

                    case Command.Stop:
                        done = true;
                        Console.WriteLine("Stopped");
                        break;

                    case Command.None:
                        if (info.Key == ConsoleKey.Backspace)
                        {
                            sb.Remove(sb.Length - 1, 1);
                            Console.Write(" \b");
                        }
                        else
                        {
                            sb.Append(info.KeyChar);
                        }
                        break;

                    default:
                        break;
                }

                if (info.Key == ConsoleKey.Enter)
                {
                    Console.WriteLine();
                }

            }
        }