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

namespace Delegate
{
    class Program
    {
        static InterC area;
        static EventDelegate form;

        static void Main(string[] args)
        {
            //Basic basic = new Basic();
            //basic.Test();


            //InterA clsA = new InterA();
            //clsA.DoWork();

            //int[] arr = new int[] { 5, 53, 3, 6, 8, 43, 64, 33, 12 };
            //InterB.CompareDelegate compDelegate = AscendingCompare;
            //InterB.Sort(arr, compDelegate);
            //compDelegate = DescendingCompare;
            //InterB.Sort(arr, compDelegate);


            //area = new InterC();
            //area.MyClick += Area_Click;
            //area.MyClick += After_Click;
            //area.ShowDialog();


            form = new EventDelegate();
            form.MyClick += Area_Click;
            form.MyClick += After_Click;
            //form.MyClick(this); // 클래스 외부에서 사용할 수 없음
            form.ShowDialog();
        }

        static int AscendingCompare(int i1, int i2)
        {
            if (i1 == i2)
                return 0;

            return i2 > i1 ? 1 : -1;
        }

        static int DescendingCompare(int i1, int i2)
        {
            if (i1 == i2)
                return 0;

            return i2 < i1 ? 1 : -1;
        }

        static void Area_Click(object sender)
        {
            Form form = sender as Form;
            form.Text = "MyArea 클릭!";
        }

        static void After_Click(object sender)
        {
            Form form = sender as Form;
            form.Text += " AfterClick 클릭!";
        }
    }
}