public function __construct($id = null)
{
$this->id = $id;
// Add basic properties
$this->addProperty('visible', false, lpf::bool());
$this->addProperty('id', $id, lpf::string());
$this->addProperty('zindex', 0, lpf::int(0, 65535));
$this->addProperty('left', 0, lpf::int(-32000, 32000));
$this->addProperty('top', 0, lpf::int(-32000, 32000));
$this->addProperty('width', 0, lpf::int(-32000, 32000));
$this->addProperty('height', 0, lpf::int(-32000, 32000));
$this->create();
}
