c# notify

var notification = new System.Windows.Forms.NotifyIcon()
{
    Visible = true,
    Icon = System.Drawing.SystemIcons.Information,
    // optional - BalloonTipIcon = System.Windows.Forms.ToolTipIcon.Info,
    // optional - BalloonTipTitle = "My Title",
    BalloonTipText = "My long description...",
};

// Display for 5 seconds.
notification.ShowBalloonTip(5000);

// This will let the balloon close after it's 5 second timeout
// for demonstration purposes. Comment this out to see what happens
// when dispose is called while a balloon is still visible.
Thread.Sleep(10000);

// The notification should be disposed when you don't need it anymore,
// but doing so will immediately close the balloon if it's visible.
notification.Dispose();