using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Program
    {
        private static bool wasEscapePressed = false;

        static void Main(string[] args)
        {
            Console.WriteLine("Press ESC at any time to exit the loop");
            while (!wasEscapePressed)
            {
                Console.Write("Enter your name: ");
                string name = ReadLineEx(key =>
                {
                    if (key.Key == ConsoleKey.Escape)
                    {
                        wasEscapePressed = true;
                        return true;
                    }
                    if (key.Key == ConsoleKey.Enter)
                    {
                        return true;
                    }
                    return false;
                });

                if (wasEscapePressed)
                {
                    Console.WriteLine("ESCAPE PRESSED!!!");
                }
                else
                {
                    Console.WriteLine("You said your name is " + name);
                }
            }

            Console.WriteLine("Press any key to exit");
            Console.ReadKey();
        }

        static string ReadLineEx(Func<ConsoleKeyInfo, bool> isDoneCallback)
        {
            string input = "";
            bool isDone = false;
            wasEscapePressed = false;

            while (!isDone)
            {
                ConsoleKeyInfo key = Console.ReadKey(true);
                isDone = isDoneCallback(key);
                if (!isDone)
                {
                    input += key.KeyChar;
                    Console.Write(key.KeyChar);
                }
            }

            Console.WriteLine();
            return input;
        }
    }
}