c#每小时弹出应用程序但不会在桌面显示

这个功能是打开以后每隔一小时显示一次弹窗，应用程序在下面菜单栏会有提示但不会在桌面上显示，只有时间到了一个小时才会显示出来

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 EveryDayEvent
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            //默认将窗体隐藏 不进行显示

            InitializeComponent（）;
        }
        System.Timers.Timer timer;
        private void Form1_Load（object sender EventArgs e）
        {
            //隐藏窗体
            //this.Hide（）;
            //this.ShowInTaskbar = false;
            this.WindowState = FormWindowState.Minimized;

            button1.BackColor = Color.Orange;
            button1.Font = new Font（new FontFamily（“宋体“） 14）;
            //but

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-09-05 21:41  EveryDayEvent\
     目录           0  2019-09-05 21:41  EveryDayEvent\.vs\
     目录           0  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\
     目录           0  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\v15\
     文件       51200  2019-09-05 22:44  EveryDayEvent\.vs\EveryDayEvent\v15\.suo
     目录           0  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\v15\Server\
     目录           0  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\v15\Server\sqlite3\
     文件           0  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\v15\Server\sqlite3\db.lock
     文件     1155072  2019-09-05 22:42  EveryDayEvent\.vs\EveryDayEvent\v15\Server\sqlite3\storage.ide
     文件       32768  2019-09-05 21:41  EveryDayEvent\.vs\EveryDayEvent\v15\Server\sqlite3\storage.ide-shm
     文件     4457872  2019-09-05 22:44  EveryDayEvent\.vs\EveryDayEvent\v15\Server\sqlite3\storage.ide-wal
     目录           0  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\
     文件        1137  2019-09-05 21:41  EveryDayEvent\EveryDayEvent.sln
     文件         184  2019-09-05 22:41  EveryDayEvent\EveryDayEvent\App.config
     目录           0  2019-09-05 21:41  EveryDayEvent\EveryDayEvent\bin\
     目录           0  2019-09-05 21:50  EveryDayEvent\EveryDayEvent\bin\Debug\
     文件      129024  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\bin\Debug\EveryDayEvent.exe
     文件         184  2019-09-05 22:41  EveryDayEvent\EveryDayEvent\bin\Debug\EveryDayEvent.exe.config
     文件       28160  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\bin\Debug\EveryDayEvent.pdb
     文件       59198  2019-09-05 22:41  EveryDayEvent\EveryDayEvent\book_128px_1233349_easyicon.net.ico
     文件        3890  2019-09-05 22:42  EveryDayEvent\EveryDayEvent\EveryDayEvent.csproj
     文件        2722  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\Form1.cs
     文件        4629  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\Form1.Designer.cs
     文件       94915  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\Form1.resx
     目录           0  2019-09-05 21:41  EveryDayEvent\EveryDayEvent\obj\
     目录           0  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\obj\Debug\
     文件        1135  2019-09-05 22:42  EveryDayEvent\EveryDayEvent\obj\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7172  2019-09-05 22:41  EveryDayEvent\EveryDayEvent\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件          42  2019-09-05 22:41  EveryDayEvent\EveryDayEvent\obj\Debug\EveryDayEvent.csproj.CoreCompileInputs.cache
     文件         765  2019-09-05 21:50  EveryDayEvent\EveryDayEvent\obj\Debug\EveryDayEvent.csproj.FileListAbsolute.txt
     文件        1012  2019-09-05 22:43  EveryDayEvent\EveryDayEvent\obj\Debug\EveryDayEvent.csproj.GenerateResource.cache
............此处省略17个文件信息