gtk/gtk.go
func ToggleButtonNewWithLabel(label string) (*ToggleButton, error) {
	cstr := C.CString(label)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_toggle_button_new_with_label((*C.gchar)(cstr))
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapToggleButton(glib.Take(unsafe.Pointer(c))), nil
}
func ToggleButtonNewWithLabel(label string) (*ToggleButton, error) {
	cstr := C.CString(label)
	defer C.free(unsafe.Pointer(cstr))
	c := C.gtk_toggle_button_new_with_label((*C.gchar)(cstr))
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapToggleButton(glib.Take(unsafe.Pointer(c))), nil
}
// ToggleButtonNewWithLabel is a wrapper around
// gtk_toggle_button_new_with_label().