[C# winform]How To:Create and use TrayIcon Control

step1. Create a solution with C# winfrom project. now,we hava a new Form named "form1"

step2. Drag-Drop an NotifyIcon control named "notifyIcon1"

step3. Drag-Drop a ContextMenu control named "contextMenu1"

step4. Set notifyIcon1's properties:
        A.Icon: Select an icon file
        B.Text: Change it as your wish
        C.ContextMenu:Choose "contextMenu1" in the dropdownlist
        D.Visable:Let it be "false"

step5. Add contextMenu1's child Items:
        A.Add an new item named "menuItem1" and property "Text" is "show" 
        B.Add the second item named "menuItem3" and property "Text" is "close" 

step6.Add methods for controlling TrayIcon:

private void TrayIconClose()
{
   notifyIcon1.Dispose();
}
private void TrayIconShow()
{
   notifyIcon1.Visible=true;
   this.ShowInTaskbar=false;
   this.Hide();
}
private void TrayIconHide()
{
   notifyIcon1.Visible=false;
   this.ShowInTaskbar=true;
   this.Show();
   this.WindowState=FormWindowState.Normal;
}

step7.Add form1's Resize Events ,with codes like this:

private void Form1_Resize(object sender, System.EventArgs e)
{
   if(this.WindowState==FormWindowState.Minimized)
    TrayIconShow();
}

step8. Add MenuItems' Events

private void menuItem1_Click(object sender, System.EventArgs e)
{
   if(this.WindowState==FormWindowState.Minimized)
    TrayIconHide();
}
private void menuItem3_Click(object sender, System.EventArgs e)
{
   Application.Exit();
}

step9.Enjoy it after hitting F5

Example Source !