CHG Getting physical cursor position on Vista and above.

FIX   Calculating device coordinates into logical ones used by WPF. Needed in case of custom DPI settings.
CHG   Renamed timer to be more explicit.

NTFY-22


git-svn-id: https://svn.evolvesoftware.ch/repos/evolve.net/WPF/NotifyIcon@194 9f600761-6f11-4665-b6dc-0185e9171623

Source/NotifyIconWpf/Interop/WinApi.cs

@@ -79,8 +79,10 @@ namespace Hardcodet.Wpf.TaskbarNotification.Interop
         /// <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 GetPhysicalCursorPos(ref Point lpPoint);
+
+
         [DllImport("USER32.DLL", SetLastError = true)]
         public static extern bool GetCursorPos(ref Point lpPoint);
     }