private static global::System.Linq.IQueryable __MailCodes_SingleOrDefault_PreprocessQuery(global::LightSwitchApplication.PPT_A1DataService d, object[] args) { global::System.Linq.IQueryable<global::LightSwitchApplication.MailCode> query = (global::System.Linq.IQueryable<global::LightSwitchApplication.MailCode>)args[1]; d.MailCodes_SingleOrDefault_PreprocessQuery((global::System.Nullable<int>)args[0], ref query); return query; }