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

namespace c4_4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            do
            {
                MessageBox.Show("號碼：123456789", "系統訊息", MessageBoxButtons.OK);

            } while(MessageBox.Show("是否再查看一次？", "系統訊息", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            while(MessageBox.Show("是否要看樂透獎","系統訊息",MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.Yes)
            {
                MessageBox.Show("樂透獎：963852741", "中獎號碼", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
    }
}