gtk/gtk.go
func (v *Notebook) SetShowBorder(showBorder bool) {
	C.gtk_notebook_set_show_border(v.native(), gbool(showBorder))
}
func (v *Notebook) SetShowBorder(showBorder bool) {
	C.gtk_notebook_set_show_border(v.native(), gbool(showBorder))
}
// SetShowBorder() is a wrapper around gtk_notebook_set_show_border().