1. Add a NotifyIon control to the for
2. Change NotifyIon control - Icon and Text propert
3. Add following code
private void Form1_Load(object sender, System.EventArgs e
this.Visible = false
private void notifyIcon1_DoubleClick(object sender, System.EventArgs e
this.Visible = true
// Set the WindowState to normal if the form is minimized
if (this.WindowState == FormWindowState.Minimized
this.WindowState = FormWindowState.Normal
// Activate the form
this.Activate()
private void Form1_Deactivate(object sender, System.EventArgs e
this.Visible = false
this.WindowState = FormWindowState.Minimized
Double click on System tray icon will display the form.