ArduinoMenu

using System;

namespace ArduinoMenu
{
    class Program
    {
        private static char arrow = (char)16;

        private static string[] menuItems = { "Item 1", "Item 2", "Item 3", "Item 4", "Item 5", "Item 6", "Item 7", "Item 8", "Item 9", "Item 10" };
        private static int maxItems = 5;
        private static int currentLine = 0;

        private static bool exit = false;

        static void Main(string[] args)
        {
            while (!exit)
            {
                Console.Clear();

                for (int i = 0; i < maxItems; i++)
                {
                    string currentMenuItem = menuItems[i];

                    if (i == currentLine)
                        Console.WriteLine(arrow + currentMenuItem);
                    else
                        Console.WriteLine(" " + currentMenuItem);
                }

                var key = Console.ReadKey().Key;

                if (key == ConsoleKey.UpArrow && currentLine > 0)
                {
                    currentLine--;
                }
                else if (key == ConsoleKey.DownArrow && currentLine < maxItems - 1)
                {
                    currentLine++;
                }

                if (key == ConsoleKey.Enter)
                {
                    Console.Title = "You selected: " + menuItems[currentLine];
                }

                if (key == ConsoleKey.Escape)
                {
                    exit = true;
                }
            }
        }
    }
}