gtk/gtk_since_3_10.go
func (v *SearchBar) SetShowCloseButton(visible bool) {
	C.gtk_search_bar_set_show_close_button(v.native(), gbool(visible))
}
func (v *SearchBar) SetShowCloseButton(visible bool) {
	C.gtk_search_bar_set_show_close_button(v.native(), gbool(visible))
}
// SetShowCloseButton is a wrapper around gtk_search_bar_set_show_close_button()