gtk/gtk.go
func (v *Expander) GetLabel() string {
	c := C.gtk_expander_get_label(v.native())
	return goString(c)
}
func (v *Expander) GetLabel() string {
	c := C.gtk_expander_get_label(v.native())
	return goString(c)
}
// GetLabel is a wrapper around gtk_expander_get_label().