form1.cs

Visual C#2005程序设计教程

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WinApp5_8Timer跑表
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            txtSeconds.Text = "0";
            tmrWatch.Enabled = true;
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            tmrWatch.Enabled = false;
        }
 
        private void tmrWatch_Tick(object sender, EventArgs e)
        {
            //txtSeconds.Text = Math.Round((double.Parse(txtSeconds.Text) + 0.1), 1) + "";
            txtSeconds.Text = (double.Parse(txtSeconds.Text) + 0.1) + "";
        }
   }
}