NotifyWPF

---------
CHG   Lot of plumbing, some fixes
CHG   Work on sample project.
CHG   Popups and ContextMenu now store coordinates - otherwise delayed opending may happen elsewhere.

git-svn-id: https://svn.evolvesoftware.ch/repos/evolve.net/WPF/NotifyIcon@55 9f600761-6f11-4665-b6dc-0185e9171623

Source/NotifyIconWpf/Interop/Point.cs

@@ -0,0 +1,14 @@
+using System.Runtime.InteropServices;
+
+namespace Hardcodet.Wpf.TaskbarNotification.Interop
+{
+  /// <summary>
+  /// Win API struct providing coordinates for a single point.
+  /// </summary>
+  [StructLayout(LayoutKind.Sequential)]
+  public struct Point
+  {
+    public int X;
+    public int Y;
+  }
+}

Source/NotifyIconWpf/Interop/WinApi.cs

@@ -74,7 +74,14 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
     /// consider the mouse action a double-click.</returns>
     [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
     public static extern int GetDoubleClickTime();
- 
 
+
+    /// <summary>
+    /// Gets the screen coordinates of the current mouse position.
+    /// </summary>
+    /// <param name="lpPoint"></param>
+    /// <returns></returns>
+    [DllImport("USER32.DLL", SetLastError = true)]
+    public static extern bool GetCursorPos(ref Point lpPoint);
   }
 }

Source/NotifyIconWpf/Interop/WindowMessageSink.cs

@@ -8,7 +8,7 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
   /// Receives messages from the taskbar icon through
   /// window messages of an underlying helper window.
   /// </summary>
-  public partial class WindowMessageSink : IDisposable
+  public class WindowMessageSink : IDisposable
   {
 
     #region members
@@ -196,10 +196,11 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
     /// <summary>
     /// Processes incoming system messages.
     /// </summary>
-    /// <param name="msg"></param>
-    /// <param name="wParam"></param>
-    /// <param name="lParam"></param>
-    /// <returns></returns>
+    /// <param name="msg">Callback ID.</param>
+    /// <param name="wParam">If the version is <see cref="NotifyIconVersion.Vista"/>
+    /// or higher, this parameter can be used to resolve mouse coordinates.
+    /// Currently not in use.</param>
+    /// <param name="lParam">Provides information about the event.</param>
     private void ProcessWindowMessage(uint msg, uint wParam, uint lParam)
     {
       if (msg != CallbackMessageId) return;