public bool TryReadDolazakNaTrening(int comPort, bool obrisiPrePrikazivanja) { AdminForm af = Form1.Instance.AdminForm; bool measureTime = af != null; Stopwatch watch = null; if (measureTime) { watch = Stopwatch.StartNew(); } int broj; bool result = tryReadCard(comPort, out broj); if (measureTime) { watch.Stop(); af.newOcitavanje(watch.ElapsedMilliseconds); } return(result && handleOcitavanjeKarticeTrening(broj, DateTime.Now, obrisiPrePrikazivanja)); }