gtk/gtk.go
func ExpanderNew(label string) (*Expander, error) {
	var cstr *C.gchar
	if label != "" {
		cstr := C.CString(label)
		defer C.free(unsafe.Pointer(cstr))
	}
	c := C.gtk_expander_new((*C.gchar)(cstr))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapExpander(obj), nil
}
func ExpanderNew(label string) (*Expander, error) {
	var cstr *C.gchar
	if label != "" {
		cstr := C.CString(label)
		defer C.free(unsafe.Pointer(cstr))
	}
	c := C.gtk_expander_new((*C.gchar)(cstr))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapExpander(obj), nil
}
// ExpanderNew is a wrapper around gtk_expander_new().