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_2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        string[] name = new string[5];
        private void Form1_Load(object sender, EventArgs e)
        {
            name[0] = "john";
            name[1] = "tom";
            name[2] = "jane";
            name[3] = "mike";
            name[4] = "peter";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            label1.Text = "";
            for(int i=0; i<name.Length; i++)
            {
                label1.Text += name[i] + "\r\n";
                comboBox1.Items.Add(name[i]);
                listBox1.Items.Add(name[i]);
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            label1.Text = "";
            foreach (string item in name)
            {
                label1.Text += item + "\r\n";
                comboBox1.Items.Add(item);
                listBox1.Items.Add(item);
            }
        }
    }
}