src/Zax/Application/UI/traits/TControlForward.php
protected function hasPersistentProperty($property) {
		$ref = $this->getReflection();
		if($ref->hasProperty($property)) {
			$refp = $ref->getProperty($property);
			return $refp->isPublic() && $refp->hasAnnotation('persistent');
		}
		return FALSE;
	}
protected function hasPersistentProperty($property) {
		$ref = $this->getReflection();
		if($ref->hasProperty($property)) {
			$refp = $ref->getProperty($property);
			return $refp->isPublic() && $refp->hasAnnotation('persistent');
		}
		return FALSE;
	}
Does this control have a persistent property $property?

@param $property
@return bool