Rock.Apps.CheckScannerUtility.ScanningPage.rangerScanner_TransportSetItemOutput C# (CSharp) Méthode

        public void rangerScanner_TransportSetItemOutput( object sender, AxRANGERLib._DRangerEvents_TransportSetItemOutputEvent e )
        {
            System.Diagnostics.Debug.WriteLine( string.Format( "{0} : rangerScanner_TransportSetItemOutput", DateTime.Now.ToString( "o" ) ) );
            var currentPage = Application.Current.MainWindow.Content;

            if ( currentPage != this )
            {
                // only accept scans when the scanning page is showing
                batchPage.micrImage.ClearBuffer();
                return;
            }

            try
            {
                lblStartupInfo.Visibility = Visibility.Collapsed;

                RockConfig rockConfig = RockConfig.Load();

                ScannedDocInfo scannedDoc = new ScannedDocInfo();

                // mark it as Upload, but we'll set it to false if anything bad happens before we actually upload
                scannedDoc.Upload = true;
                scannedDoc.CurrencyTypeValue = batchPage.SelectedCurrencyValue;
                scannedDoc.SourceTypeValue = batchPage.SelectedSourceTypeValue;

                scannedDoc.FrontImageData = GetImageBytesFromRanger( RangerSides.TransportFront );

                if ( rockConfig.EnableRearImage )
                {
                    scannedDoc.BackImageData = GetImageBytesFromRanger( RangerSides.TransportRear );
                }

                if ( scannedDoc.IsCheck )
                {
                    string checkMicr = batchPage.rangerScanner.GetMicrText( 1 );
                    WriteToDebugLog( string.Format( "[{0}] - '{1}'", DateTime.Now.ToString( "o" ), checkMicr ) );
                    string remainingMicr = checkMicr;
                    string accountNumber = string.Empty;
                    string routingNumber = string.Empty;
                    string checkNumber = string.Empty;

                    // there should always be two transit symbols ('d').  The transit number is between them
                    int transitSymbol1 = remainingMicr.IndexOf( (char)RangerE13BMicrSymbols.E13B_TransitSymbol );
                    int transitSymbol2 = remainingMicr.LastIndexOf( (char)RangerE13BMicrSymbols.E13B_TransitSymbol );
                    int transitStart = transitSymbol1 + 1;
                    int transitLength = transitSymbol2 - transitSymbol1 - 1;
                    if ( transitLength > 0 )
                    {
                        routingNumber = remainingMicr.Substring( transitStart, transitLength );
                        remainingMicr = remainingMicr.Remove( transitStart - 1, transitLength + 2 );
                    }

                    char[] separatorSymbols = new char[] { (char)RangerE13BMicrSymbols.E13B_TransitSymbol, (char)RangerE13BMicrSymbols.E13B_OnUsSymbol, (char)RangerE13BMicrSymbols.E13B_AmountSymbol };

                    // the last 'On-Us' symbol ('c') signifies the end of the account number
                    int lastOnUsPosition = remainingMicr.LastIndexOf( (char)RangerE13BMicrSymbols.E13B_OnUsSymbol );
                    if ( lastOnUsPosition > 0 )
                    {
                        int accountNumberDigitPosition = lastOnUsPosition - 1;

                        // read all digits to the left of the last 'OnUs' until you run into another seperator symbol
                        while ( accountNumberDigitPosition >= 0 )
                        {
                            char accountNumberDigit = remainingMicr[accountNumberDigitPosition];
                            if ( separatorSymbols.Contains( accountNumberDigit ) )
                            {
                                break;
                            }
                            else
                            {
                                accountNumber = accountNumberDigit + accountNumber;
                                accountNumber = accountNumber.Trim();
                            }

                            accountNumberDigitPosition--;
                        }

                        remainingMicr = remainingMicr.Remove( accountNumberDigitPosition + 1, lastOnUsPosition - accountNumberDigitPosition );
                    }

                    // any remaining digits that aren't the account number and transit number are probably the check number
                    string[] remainingMicrParts = remainingMicr.Split( new char[] { (char)RangerE13BMicrSymbols.E13B_OnUsSymbol, ' ' }, StringSplitOptions.RemoveEmptyEntries );
                    string otherData = null;
                    if ( remainingMicrParts.Any() )
                    {
                        checkNumber = remainingMicrParts.Last();

                        // throw any remaining data into 'otherData' (a reject symbol could be in the other data)
                        remainingMicr = remainingMicr.Replace( (char)RangerE13BMicrSymbols.E13B_OnUsSymbol, ' ' );
                        remainingMicr = remainingMicr.Replace( checkNumber, string.Empty );
                        otherData = remainingMicr;
                    }

                    scannedDoc.RoutingNumber = routingNumber;
                    scannedDoc.AccountNumber = accountNumber;
                    scannedDoc.CheckNumber = checkNumber;
                    scannedDoc.OtherData = otherData;

                    scannedDoc.ScannedCheckMicrData = checkMicr;

                    // look for the "can't read" symbol (or completely blank read ) to detect if the check micr couldn't be read
                    // from http://www.sbulletsupport.com/forum/index.php?topic=172.0
                    if ( checkMicr.Contains( (char)RangerCommonSymbols.RangerRejectSymbol ) || string.IsNullOrWhiteSpace( checkMicr ) )
                    {
                        scannedDoc.BadMicr = true;
                        scannedDoc.Upload = false;
                    }
                }

                ShowScannedDocStatusAndUpload( scannedDoc );
            }
            catch ( Exception ex )
            {
                if ( ex is AggregateException )
                {
                    ShowException( ( ex as AggregateException ).Flatten() );
                }
                else
                {
                    ShowException( ex );
                }
            }
        }