1.加入Timer

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace TestTimer
{public partial class Form1 : Form{int systemCounter = 0; public Form1(){InitializeComponent(); //设置Timer1控件可用this.timer1.Enabled = false;//设置Timer1 时间间隔this.timer1.Interval = 5000; } //打開服務private void openbutton_Click(object sender, EventArgs e){systemCounter = 0;this.timer1.Start();} //关闭线程private void stopbutton_Click(object sender, EventArgs e){this.timer1.Stop();}//循环执行的事件private void timer1_Tick(object sender, EventArgs e){systemCounter += 1; this.textBox1.Text ="現在的數據是"+ systemCounter.ToString().Trim(); }}
}