public function PreDispatch () {
		$form = & $this->form;
		// if there is no specific render mode - set render mode by form
		if ($this instanceof \MvcCore\Ext\Forms\Fields\IVisibleField && $this->renderMode === NULL)
			$this->renderMode = $form->GetDefaultFieldsRenderMode();
		if ($this->translate && $this instanceof \MvcCore\Ext\Forms\Fields\ILabel && $this->label)
			$this->label = $form->Translate($this->label);
	}