public static function getByHandle($treeTypeHandle)
 {
     $db = Loader::db();
     $row = $db->GetRow('select * from TreeTypes where treeTypeHandle = ?', array($treeTypeHandle));
     if (is_array($row) && $row['treeTypeHandle']) {
         $type = new TreeType();
         $type->setPropertiesFromArray($row);
         return $type;
     }
 }