C#EventDriven_Human

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

namespace EventDriven1a
{

    public delegate void IntroducedEvenetHandler(object sender, EventArgs e);
    class Human
    {
        private string name;
        private int age;

        public event IntroducedEvenetHandler Introduced;

        public string Name
        {
            get { return name; }
            set { name = value; }
        }

        public int Age
        {
            get { return age; }
            set { age = value; }
        }

        public Human(string name, int age)
        {
            this.name = name;
            this.age = age;
        }

        protected virtual void OnIntroduced(EventArgs e)
        {
            if (Introduced != null)
            {
                Introduced(this, e);
            }
        }

        public void IntroduceYourSelf()
        {
            // 1. Approach
            // OnIntroduce();

            // 2. delegates
           // if (Introduced != null) {
           //     Introduced(this, EventArgs.Empty);
           // }

            // 3 with a special method
            OnIntroduced(EventArgs.Empty);

            Console.WriteLine("I am human. My name is {0}. I am {1} years old!", name, age);
        }

        private void OnIntroduce()
        {
            Console.WriteLine("================ IntroduceYourSelf was executed!!! ================");
        }

    }
}