Key Input Sample for .NET 5 Console App

Program.cs

using System;

namespace KiloSharp
{
    class Program
    {
        static void enableRawMode() 
        {
            Console.CursorVisible = false;               
        }

        static void disableRawMode()
        {
            Console.CursorVisible = true;
        }

        static int Main(string[] args)
        {
            enableRawMode();

            Console.Clear();

            // if ctrl key is pressed, console terminal respons even without printing it.
            // So we need the cancel handler to disable the reaction of ctrl keys.
            // However CTRL-Z is still alive.
            Console.CancelKeyPress += new ConsoleCancelEventHandler(controlKeyHandler);

            ConsoleKeyInfo c;
            do {
                while (! Console.KeyAvailable) {
                }
                c = Console.ReadKey(true);
                if ((c.Modifiers & ConsoleModifiers.Control) != 0) {
                    Console.Write((int)c.KeyChar);
                } else {
                    Console.Write(c.KeyChar);
                }
            } while (c.Key != ConsoleKey.Q);

            disableRawMode();
            return 0;
        }

        protected static void controlKeyHandler(object sender, ConsoleCancelEventArgs args)
        {
            args.Cancel = true;
        }
    }

}