นาฬิกาจับเวลา
ตัวอย่างโค้ดของโปรแกรม :
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; namespace Timer { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void timer_Tick(object sender, EventArgs e) { second.Text = (int.Parse(second.Text) + 1).ToString(); if (int.Parse(second.Text) < 10) second.Text = "0" + second.Text; if (int.Parse(second.Text) == 60) { min.Text = (int.Parse(min.Text) + 1).ToString(); second.Text = "00"; if (int.Parse(min.Text) < 10) min.Text = "0" + min.Text; if (int.Parse(min.Text) == 60) { hour.Text = (int.Parse(hour.Text) + 1).ToString(); min.Text = "00"; if (int.Parse(hour.Text) < 10) hour.Text = "0" + hour.Text; } } } private void btnStart_Click(object sender, EventArgs e) { timer.Enabled = true; timer.Start(); } private void btnStop_Click(object sender, EventArgs e) { timer.Stop(); timer.Enabled = false; } private void btnReset_Click(object sender, EventArgs e) { timer.Stop(); timer.Enabled = false; hour.Text = "00"; min.Text = "00"; second.Text = "00"; } } }
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