self.ie.Navigate(url)
 
     def OnLocationKey(self, evt):
-        if evt.KeyCode() == wx.WXK_RETURN:
+        if evt.GetKeyCode() == wx.WXK_RETURN:
             URL = self.location.GetValue()
             self.location.Append(URL)
             self.ie.Navigate(URL)
         win = TestPanel(nb, log, frame)
         return win
     else:
-        dlg = wx.MessageDialog(frame, 'This demo only works on Windows.',
-                          'Sorry', wx.OK | wx.ICON_INFORMATION)
-        dlg.ShowModal()
-        dlg.Destroy()
+        from Main import MessagePanel
+        win = MessagePanel(nb, 'This demo only works on Microsoft Windows.',
+                           'Sorry', wx.ICON_WARNING)
+        return win