03/24 Event연습

 

Program.cs

using System;

namespace Study07
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Program");
            new App();
        }
    }
}

App.cs

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

namespace Study07
{
    public class DoorEventArgs : EventArgs
    {
        public DateTime Time { get; set; }
        public DoorEventArgs()
        {
            Time = DateTime.Now;
        }
    }
    public class Door
    {
        public event EventHandler alertDoor;

        public void Open()
        {
            Console.WriteLine("문을 엽니다.");
            alertDoor(this, new DoorEventArgs());
        }
    }
    
    public class App
    {
        //생성자 
        public App()
        {
            Console.WriteLine("App");
            Door door = new Door();
            door.alertDoor += AlertOpen;
            door.Open();
        }      

        private void AlertOpen(Object obj, EventArgs args)
        {
            DoorEventArgs doorEventArgs = (DoorEventArgs)args;
            Console.WriteLine("문이 열렸습니다. 일시 : {0}", doorEventArgs.Time);
        }
    }

}