WPF NotifyIcon

--------------
FIX   Removed debug output in WindowMessageSink.
CHG   Major rework on sample project.

git-svn-id: https://svn.evolvesoftware.ch/repos/evolve.net/WPF/NotifyIcon@104 9f600761-6f11-4665-b6dc-0185e9171623

Source/Sample Project/Tutorials/02 - ToolTips/UserControlToolTipWindow.xaml.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Samples.Tutorials.ToolTips
+{
+  /// <summary>
+  /// Interaction logic for UserControlToolTipWindow.xaml
+  /// </summary>
+  public partial class UserControlToolTipWindow : Window
+  {
+    public UserControlToolTipWindow()
+    {
+      InitializeComponent();
+    }
+
+    protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
+    {
+      //clean up notifyicon (would otherwise stay open until application finishes)
+      MyNotifyIcon.Dispose();
+
+      base.OnClosing(e);
+    }
+  }
+}