func (v *Label) SetText(str string) {
	cstr := C.CString(str)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_label_set_text(v.native(), (*C.gchar)(cstr))
}
func (v *Label) SetText(str string) {
	cstr := C.CString(str)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_label_set_text(v.native(), (*C.gchar)(cstr))
}
// SetText is a wrapper around gtk_label_set_text().