// Create(New), Save and Load. Traceability: WC_3305: As an ESS, I can create, save and load program files. private void BuildCmdExecuted(object sender, ExecutedRoutedEventArgs e) { try { WinAvrConnector.Make(); } catch (ComPortException) { MessageBox.Show("COM port is not selected. Unable to build.", "Failed", MessageBoxButton.OK, MessageBoxImage.Error); } catch (Exception) { ShowWinAvrError(); } }