WinForm 定时输出

定时任务

1. 代码

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 WindowsFormsApp2
{
    public partial class Form1 : Form
    {
        private delegate void InvokeCallback(); // 声明代理
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            System.Timers.Timer timer = new  System.Timers.Timer();
            timer.Elapsed += new System.Timers.ElapsedEventHandler(t_taks_run);
            timer.Interval = 5 * 1000; // 5 秒请求一次
            timer.Start();
        }

        public void t_taks_run(object sender, System.Timers.ElapsedEventArgs e)
        {

            PrintInfo();
            //Console.WriteLine($"执行了:{DateTime.Now:yyyy-MM-dd HH:mm:ss}");
        }

        public void PrintInfo()
        {
            if (richTextBox1.InvokeRequired)
            {
                InvokeCallback msgCallback = new InvokeCallback(PrintInfo);
                richTextBox1.Invoke(msgCallback);
            }
            else
            {
                richTextBox1.Text += $"执行了:{DateTime.Now:yyyy-MM-dd HH:mm:ss}\n";
            }
        }


    }
}

QQ截图20230131104436.png