private void CheckLaserInfo() { LaserC00Request c00 = new LaserC00Request(); var bytes = serialPortCom.Encode(c00); byte[] recData = serialPortCom.SendData(bytes); if (recData != null) { LaserBaseResponse baseResponse = serialPortCom.LaserBaseResponse(bytes, recData); if (baseResponse != null) { LaserC00Response c00r = baseResponse as LaserC00Response; if (c00r != null) { lblLaserVersion.Text = c00r.VersionNumber.ToString(); lblWorkingHour.Text = string.Format("{0} : {1}", c00r.Hour, c00r.Month); } } } }