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 c6_3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        string[] name = new string[5];
        int[] money = new int[5];

        private void Form1_Load(object sender, EventArgs e)
        {
            name[0] = "蘋果";
            name[1] = "香蕉";
            name[2] = "橘子";
            name[3] = "葡萄";
            name[4] = "西瓜";
            foreach(string item in name)
            {
                listBox1.Items.Add(item);
            }
                

            money[0] = 50;
            money[1] = 15;
            money[2] = 20;
            money[3] = 70;
            money[4] = 150;


        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            textBox1.Text = name[listBox1.SelectedIndex];
            textBox2.Text = money[listBox1.SelectedIndex].ToString();
        }
    }
}