问C#我的应用程序在任务管理器中启动，但没有显示在桌面中

EN

using System;
using System.Diagnostics;
using System.IO;
using System.Threading;
using System.Timers;
using System.Windows.Forms;

namespace SimpleHeartBeatService
{
    public class Heartbeat
    {
    private readonly System.Timers.Timer _timer; //referance yaratdiq
    private static bool firstChecker = true;
    private static bool secondChecker = true;
    public Heartbeat()
      {
      _timer = new System.Timers.Timer(1000) //referanca objecr menimsetdik 
        {
            AutoReset = true  //Object initializer (kitabda Constr deeper de en axirda var)
        };

        _timer.Elapsed += TimerElapsed;
    }

    private void TimerElapsed(object sender, ElapsedEventArgs e)
    {  //Bize lazim olan hisse burdan asagidadir

        PowerStatus status = SystemInformation.PowerStatus;
        if (status.PowerLineStatus.ToString() == "Online" && secondChecker)
        {
            firstChecker = true;
            secondChecker = false;
        }

        if (firstChecker && status.PowerLineStatus.ToString() == "Online" && 
                                                               status.BatteryLifePercent * 100 > 80)
        {
            Process.Start(@"C:\Users\qarib\Desktop\Test\batteryLevel.txt");


            firstChecker = false;
        }

        if (status.PowerLineStatus.ToString() == "Offline")
        {
            secondChecker = true;
        }
        // code here
        Thread.Sleep(500);
    }

    public void Start() //Bunlar mutleq yazilmalidir
    {
        _timer.Start();
    }

    public void Stop() //Bunlar mutleq yazilmalidir
    {
        _timer.Stop();
    }
}