private void _formatOptionsButton_Click(object sender, EventArgs e)
        {
            if (_documentWriter == null || _formatComboBox.SelectedIndex == -1)
            {
                return;
            }

            DocumentFormatItem item = (DocumentFormatItem)_formatComboBox.SelectedItem;

            using (DocumentFormatOptionsDialog dlg = new DocumentFormatOptionsDialog(_ocrEngineType, _documentWriter, item.Format, _totalPages))
                dlg.ShowDialog(this);
        }
        public void SetDocumentWriter(DocumentWriter docWriter, bool showLtdFormat)
        {
            _documentWriter = docWriter;

            // This is the order of importance, show these first then the rest as they come along
            DocumentFormat[] importantFormats =
            {
                DocumentFormat.Pdf,
                DocumentFormat.Docx,
                DocumentFormat.Rtf,
                DocumentFormat.Text,
                DocumentFormat.Doc,
                DocumentFormat.Xls,
                DocumentFormat.Html
            };

            List <DocumentFormat> formatsToAdd = new List <DocumentFormat>();

            Array a = Enum.GetValues(typeof(DocumentFormat));
            List <DocumentFormat> allFormats = new List <DocumentFormat>();

            foreach (DocumentFormat format in a)
            {
                allFormats.Add(format);
            }

            // Add important once first:
            foreach (DocumentFormat format in importantFormats)
            {
                formatsToAdd.Add(format);
                allFormats.Remove(format);
            }

            // Add rest
            formatsToAdd.AddRange(allFormats);

            // Add rest
            foreach (DocumentFormat format in formatsToAdd)
            {
                bool addItem = true;

                if (format == DocumentFormat.User)
                {
                    addItem = false;
                }
                else if (format == DocumentFormat.Ltd && !showLtdFormat)
                {
                    addItem = false;
                }

                if (addItem)
                {
                    string             name = string.Format("{0} ({1})", DocumentWriter.GetFormatFriendlyName(format), DocumentWriter.GetFormatFileExtension(format).ToUpperInvariant());
                    DocumentFormatItem item = new DocumentFormatItem(format, name);
                    _formatComboBox.Items.Add(item);

                    if (format == DocumentFormat.Pdf)
                    {
                        _formatComboBox.SelectedItem = item;
                    }
                }
            }

            if (_formatComboBox.SelectedIndex == -1 && _formatComboBox.Items.Count > 0)
            {
                _formatComboBox.SelectedIndex = 0;
            }

            PdfDocumentOptions pdfOptions = _documentWriter.GetOptions(DocumentFormat.Pdf) as PdfDocumentOptions;

            if (string.IsNullOrEmpty(pdfOptions.Creator))
            {
                pdfOptions.Creator = "LEADTOOLS PDFWriter";
            }
            if (string.IsNullOrEmpty(pdfOptions.Producer))
            {
                pdfOptions.Producer = "LEAD Technologies, Inc.";
            }
            _documentWriter.SetOptions(DocumentFormat.Pdf, pdfOptions);
        }