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_1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        string[] name = new string[4];

        private void Form1_Load(object sender, EventArgs e)
        {
            name[0] = "john";
            name[1] = "tom";
            name[2] = "jane";
            name[3] = "peter";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            


            label1.Text = "第2位："+name[1];

        }

        private void button2_Click(object sender, EventArgs e)
        {
            label1.Text = "";
            for (int i=0;i<name.Length ;i++ )
            {
                label1.Text += name[i]+"\r\n";
            }

        }

    }
}