C# NotifyIcon stays in tray after the Balloon Tip

Question

after the Ballon Tip of my NotifyIcon has been close the icon still stays in tray. It vanishes only when I hover it with my mouse cursor.

I have a class Notification.cs which has one component - NotifyIcon.

I call it from my Console Application as I only want to show the notification when certain conditions are fulfilled.

Some code:

• how I call the notification from within my program:

  Notification not = new Notification("Error occured, do this or that", "Some error", System.Windows.Forms.ToolTipIcon.Error);
  not.getIcon().ShowBalloonTip(1000);
  

• the notification class:
  

  public Notification(string baloonTipText, string baloonTipTitle, System.Windows.Forms.ToolTipIcon icon) : this()
  {
      this.icon.Visible = true;
      this.icon.BalloonTipText = baloonTipText;
      this.icon.BalloonTipTitle = baloonTipTitle;
      this.icon.BalloonTipIcon = icon;
  }
  
  public System.Windows.Forms.NotifyIcon getIcon()
  {
      return this.icon;
  }
  
  private void icon_BalloonTipClosed(object sender, EventArgs e)
  {
      this.icon.Visible = false;
      this.icon.Dispose();            
  }
  

Any ideas?

Answer 1

using System;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Windows.Forms;

namespace ShowToolTip
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btBallonToolTip_Click(object sender, EventArgs e)
        {
            ShowBalloonTip();
            this.Hide();
        }

        private void ShowBalloonTip()
        {
            Container bpcomponents = new Container();
            ContextMenu contextMenu1 = new ContextMenu();

            MenuItem runMenu = new MenuItem();
            runMenu.Index = 1;
            runMenu.Text = "Run...";
            runMenu.Click += new EventHandler(runMenu_Click);

            MenuItem breakMenu = new MenuItem();
            breakMenu.Index = 2;
            breakMenu.Text = "-------------";

            MenuItem exitMenu = new MenuItem();
            exitMenu.Index = 3;
            exitMenu.Text = "E&xit";

            exitMenu.Click += new EventHandler(exitMenu_Click);

            // Initialize contextMenu1
            contextMenu1.MenuItems.AddRange(
                        new System.Windows.Forms.MenuItem[] { runMenu, breakMenu, exitMenu });

            // Initialize menuItem1

            this.ClientSize = new System.Drawing.Size(0, 0);
            this.Text = "Ballon Tootip Example";

            // Create the NotifyIcon.
            NotifyIcon notifyIcon = new NotifyIcon(bpcomponents);

            // The Icon property sets the icon that will appear
            // in the systray for this application.
            string iconPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + @"\setup-icon.ico";
            notifyIcon.Icon = new Icon(iconPath);

            // The ContextMenu property sets the menu that will
            // appear when the systray icon is right clicked.
            notifyIcon.ContextMenu = contextMenu1;

            notifyIcon.Visible = true;

            // The Text property sets the text that will be displayed,
            // in a tooltip, when the mouse hovers over the systray icon.
            notifyIcon.Text = "Morgan Tech Space BallonTip Running...";
            notifyIcon.BalloonTipText = "Morgan Tech Space BallonTip Running...";
            notifyIcon.BalloonTipTitle = "Morgan Tech Space";
            notifyIcon.ShowBalloonTip(1000);
        }

        void exitMenu_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        void runMenu_Click(object sender, EventArgs e)
        {
            MessageBox.Show("BallonTip is Running....");
        }
    }
}

Answer 2

Because you're running in a console application, your icon_BalloonTipClosed handler will not be invoked when the balloon tip is closed (no message pump). You will need to call Dispose manually either as your application exits or set a timer (System.Threading.Timer, System.Windows.Forms.Timer will not work) with a timeout longer than the balloon tip's timeout. e.g.:

timer = new Timer(state => not.getIcon().Dispose(), null, 1200, Timeout.Infinite);