Membuat Program C# Stopwatch

Tampilan :

Table komponen

Stopwatch

Tampilan Program :

Tampilan awal

Setelah tombol Start di klik

Setelah tombol Stop di klik

Setelah tombol Resume di klik

Setelah tombol Restart di klik

 Setelah tombol Reset di klik

Codingan Stopwatch :

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
//tambahkan
using System.Diagnostics;

namespace Stopwatchproj
{
    public partial class Form1 : Form
    {
        private Stopwatch stopw = null;
        public Form1()
        {
            InitializeComponent();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            if (stopw != null)
            {
                label1.Text = stopw.Elapsed.ToString(@"hh\:mm\:ss\:ff");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (button1.Text == "Start")
            {
                stopw = new Stopwatch();
                stopw.Start();
                button1.Enabled = false;
                button2.Enabled = true;
            }
            else if (button1.Text == "Restart")
            {
                stopw.Restart();
                button1.Enabled = false;
                button2.Text = "Stop";
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (button2.Text == "Stop")
            {
                stopw.Stop();
                button1.Text = "Restart";
                button1.Enabled = true;
                button2.Text = "Resume";
            }
            else if (button2.Text == "Resume")
            {
                stopw.Start();
                button1.Enabled = false;
                button2.Text = "Stop";
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            stopw.Reset();
            button1.Enabled = true;
            button1.Text = "Start";
            button2.Text = "Stop";
            button2.Enabled = false;
        }

    }
}

SEMOGA BERMANFAAT :)