private void ConfigForm_FormClosing(object sender, FormClosingEventArgs e) { calibForm.classCalibrationInfo.DoCalibration = false; calibForm.classCalibrationInfo.DetectFlag = false; calibForm.ClassDeltaProtocol.CloseComPort(); calibForm.classDpCommunication.CloseComPort(); calibForm.classMultiplexing.CloseComPort(); calibForm.tempControllerInstanse.CloseComPort(); calibForm.Close(); }