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/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);
   }
 }