Code: Alles auswählen
self.menuitem01_01 = Gtk.ImageMenuItem(label="Neu")
self.menuitem01_01icon = Gtk.Image(stock="gtk-new")
self.menuitem01_01icon.set_pixel_size(100)
self.menuitem01_01.set_image(self.menuitem01_01icon)
self.menu01.add(self.menuitem01_01)