Nette\Forms\Controls\Checkbox::getControl PHP 메소드

    public function getControl()
    {
        return $this->wrapper->setHtml($this->getLabelPart()->insert(0, $this->getControlPart()));
    }

 /**
  * @return string
  */
 public function getControl($onlyPreview = FALSE)
 {
     if (!$this->isOk()) {
         return NULL;
     }
     $html = Html::el('div');
     $html->addClass('preview-image-container');
     $html->setHtml(Html::el('img')->src($this->getImageClass()->getLink())->height($this->height)->width($this->width));
     return $html . Html::el('div')->setHtml($onlyPreview ? NULL : parent::getControl());
 }