Notifyicon In C#

using System; 
using System.Windows.Forms; 
  
namespace NotifyIconDemo { 
    public partial class Form1: Form { 
        public Form1() { 
            InitializeComponent(); 
        } 
        NotifyIcon notifyIcon = new NotifyIcon(); 
        private void btnNotifyIcon_Click(object sender, EventArgs e) { 
  
            notifyIcon.Visible = true; 
            this.WindowState = FormWindowState.Minimized; 
            this.ShowInTaskbar = false; 
            notifyIcon.ShowBalloonTip(10000); 
  
        } 
  
        private void Form1_Load(object sender, EventArgs e) { 
  
            notifyIcon.Icon = System.Drawing.Icon.ExtractAssociatedIcon("images\\favicon.ico"); 
            notifyIcon.Text = "Notify Icon Message"; 
            notifyIcon.BalloonTipText = "Notify Balloon Message"; 
            notifyIcon.DoubleClick += NotifyIcon_DoubleClick; 
        } 
  
        private void NotifyIcon_DoubleClick(object sender, EventArgs e) { 
            notifyIcon.Visible = false; 
            this.WindowState = FormWindowState.Normal; 
            this.ShowInTaskbar = true; 
        } 
    } 
} 

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