Event(이벤트)

using System.Xml;

namespace CSharp1
{
    //Observer Pattern
    internal class Program
    {
        static void OnInputTest()
        {
            Console.WriteLine();
            Console.WriteLine("Input Received!");
        }
        static void Main(string[] args)
        {
           InputManager inputManager = new InputManager();
            inputManager.InputKey += OnInputTest;
            while (true)
            {
                inputManager.Update();
            }
        }
    }
}

 

using System;


namespace CSharp1
{
    class InputManager
    {
        public delegate void OnInputKey();
        public event OnInputKey InputKey;
        public void Update()
        {
            if (Console.KeyAvailable == false) return;
            ConsoleKeyInfo info = Console.ReadKey();
            if (info.Key == ConsoleKey.A)
            {
                InputKey();
            }
        }

    }
}