public void CreateMainMenu(Gtk.Menu menu)
{
menu.Remove (menu.Children[1]);
menu.Append (ZoomIn.CreateAcceleratedMenuItem (Gdk.Key.plus, Gdk.ModifierType.ControlMask));
menu.Append (ZoomOut.CreateAcceleratedMenuItem (Gdk.Key.minus, Gdk.ModifierType.ControlMask));
menu.Append (ZoomToWindow.CreateAcceleratedMenuItem (Gdk.Key.B, Gdk.ModifierType.ControlMask));
//menu.Append (ZoomToSelection.CreateAcceleratedMenuItem (Gdk.Key.B, Gdk.ModifierType.ControlMask | Gdk.ModifierType.ShiftMask));
menu.Append (ActualSize.CreateAcceleratedMenuItem (Gdk.Key.A, Gdk.ModifierType.ControlMask | Gdk.ModifierType.ShiftMask));
//menu.AppendSeparator ();
//menu.Append (PixelGrid.CreateMenuItem ());
//menu.Append (Rulers.CreateMenuItem ());
//menu.AppendSeparator ();
//menu.Append (Pixels.CreateMenuItem ());
//menu.Append (Inches.CreateMenuItem ());
//menu.Append (Centimeters.CreateMenuItem ());
}