public Heater_Calibrator() { Cal = new Calibration(this, Heaterlookupfile); try { string AduHid = File.ReadAllText(@"AduHid.dll", Encoding.UTF8); } catch (Exception ex) { MessageBox.Show("AduHid.dll is missing", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); Environment.Exit(0); } try { string ontrak_sn = File.ReadAllText(@"ontrak.ini", Encoding.UTF8); } catch (Exception ex) { MessageBox.Show("ontrak.ini is missing", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); Environment.Exit(0); } try { string CalibrationExpiryDates = File.ReadAllText(@"CalibrationExpiryDates.ini", Encoding.UTF8); } catch (Exception ex) { MessageBox.Show("CalibrationExpiryDates.ini is missing", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); Environment.Exit(0); } try { string HeaterLookup = File.ReadAllText(Heaterlookupfile, Encoding.UTF8); } catch (Exception ex) { MessageBox.Show("Heater Lookup.ini is missing", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); Environment.Exit(0); } InitializeComponent(); }