Method initToggleCheckboxes

tests/cpp-tests/Source/LabelTest/LabelTest.cpp:1514–1544

    return slider2;
}
void LabelTTFSDF::initToggleCheckboxes()
{
    float startPosY = 0;
    Size winSize    = Director::getInstance()->getVisibleSize();

    // Create a radio button group
    auto radioButtonGroup = RadioButtonGroup::create();
    this->addChild(radioButtonGroup);

    // Create the radio buttons
    static const int NUMBER_OF_BUTTONS  = 3;
    startPosY                           = winSize.height * 0.25;
    std::vector<std::string> labelTypes = {"Normal", "Glow", "Outline"};

    for (int i = 0; i < NUMBER_OF_BUTTONS; ++i)
    {

        RadioButton* radioButton = RadioButton::create("cocosui/radio_button_off.png", "cocosui/radio_button_on.png");
        float posY               = startPosY + (radioButton->getContentSize().height + 5) * i;
        radioButton->setPosition(Vec2(winSize.width * 0.8, posY));
        radioButton->addEventListener(AX_CALLBACK_2(LabelTTFSDF::onChangedRadioButtonSelect, this));
        radioButton->setTag(i);
        radioButtonGroup->addRadioButton(radioButton);
        this->addChild(radioButton);

        auto label = Label::createWithSystemFont(labelTypes.at(i), "Arial", 15);
        label->setPosition(radioButton->getPosition() + Vec2(radioButton->getContentSize().width + 1, 0.0f));
        label->setAnchorPoint(Vec2(0, 0.5));
        this->addChild(label);
    }
}
void LabelTTFSDF::onChangedRadioButtonSelect(RadioButton* radioButton, RadioButton::EventType type)
{
    if (radioButton == nullptr)