* gtk/Menu.custom: don't re-implement the Screen getter in Gtk.Menu. Instead just return base.Screen, which is implemented by Widget. svn path=/trunk/gtk-sharp/; revision=42546
* gtk/Gtk.metadata : hide Menu.SetScreen. * gtk/Menu.custom : manually implement Screen prop. svn path=/trunk/gtk-sharp/; revision=40529
* gtk/Makefile.am: add Menu.custom * gtk/Menu.custom: new custom for Popup () overload [Fixes #60668] svn path=/trunk/gtk-sharp/; revision=32790