PropertyVariant::deleteAction

public function deleteAction($id)
{
	$variant = new CSaleOrderPropsVariant();
	$r = $this->exists($id);
	if($r->isSuccess())
	{
		if(!$variant->Delete($id))
		{
			if ($ex = self::getApplication()->GetException())
			{
				$r->addError(new Error($ex->GetString(), $ex->GetID()));
			}
			else
				$r->addError(new Error('variant delete error ',201550000001));
		}
	}

	if($r->isSuccess())
	{
		return true;
	}
	else
	{
		$this->addErrors($r->getErrors());
		return null;
	}
}