gtk/menu_shell.go
func (v *MenuShell) SelectFirst(searchSensitive bool) {
	C.gtk_menu_shell_select_first(v.native(), gbool(searchSensitive))
}
func (v *MenuShell) SelectFirst(searchSensitive bool) {
	C.gtk_menu_shell_select_first(v.native(), gbool(searchSensitive))
}
// SelectFirst is a wrapper around gtk_menu_shell_select_first().