IOcrDocumentManager Interface

using Leadtools;
using Leadtools.Codecs;
using Leadtools.Forms.Ocr;
using Leadtools.Forms;
using Leadtools.Forms.DocumentWriters;
using Leadtools.WinForms;

public void OcrDocumentManagerExample()
{
   string tifFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "Ocr1.tif");
   string tifFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Ocr2.tif");
   string outputDirectory = Path.Combine(LEAD_VARS.ImagesDir, "OutputDirectory");
   // Create the output directory
   if (Directory.Exists(outputDirectory))
      Directory.Delete(outputDirectory, true);
   Directory.CreateDirectory(outputDirectory);

   // Create an instance of the engine
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.Advantage, false))
   {
      // Start the engine using default parameters
      Console.WriteLine("Starting up the engine...");
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrAdvantageRuntimeDir);

      // Create the OCR document
      Console.WriteLine("Creating the OCR document...");
      IOcrDocumentManager ocrDocumentManager = ocrEngine.DocumentManager;
      using (IOcrDocument ocrDocument = ocrDocumentManager.CreateDocument())
      {
         // Add the pages to the document
         Console.WriteLine("Adding the pages...");
         ocrDocument.Pages.AddPage(tifFileName1, null);
         ocrDocument.Pages.AddPage(tifFileName2, null);

         // Recognize the pages to this document. Note, we did not call AutoZone, it will explicitly be called by Recognize
         Console.WriteLine("Recognizing all the pages...");
         ocrDocument.Pages.Recognize(null);

         // Save to all the formats supported by this OCR engine
         Array formats = Enum.GetValues(typeof(DocumentFormat));
         foreach (DocumentFormat format in formats)
         {
            string friendlyName = DocumentWriter.GetFormatFriendlyName(format);
            Console.WriteLine("Saving (using default options) to {0}...", friendlyName);

            // Construct the output file name (output_directory + document_format_name + . + extension)
            string extension = DocumentWriter.GetFormatFileExtension(format);
            string outputFileName = Path.Combine(outputDirectory, format.ToString() + "." + extension);

            // Save the document
            ocrDocument.Save(outputFileName, format, null);

            // If this is the LTD format, convert it to PDF
            if (format == DocumentFormat.Ltd)
            {
               Console.WriteLine("Converting the LTD file to PDF...");
               string pdfFileName = Path.Combine(outputDirectory, format.ToString() + "_pdf.pdf");

               DocumentWriter docWriter = ocrEngine.DocumentWriterInstance;
               docWriter.Convert(outputFileName, pdfFileName, DocumentFormat.Pdf);
            }
         }

         // Now save to all the engine native formats (if any) supported by the engine
         string[] engineFormats = ocrDocumentManager.GetSupportedEngineFormats();
         foreach (string engineFormat in engineFormats)
         {
            string friendlyName = ocrDocumentManager.GetEngineFormatFriendlyName(engineFormat);
            Console.WriteLine("Saving to engine native format {0}...", friendlyName);

            // Construct the output file name (output_directory + "engine" + engine_format_name + . + extension)
            string extension = ocrDocumentManager.GetEngineFormatFileExtension(engineFormat);
            string outputFileName = Path.Combine(outputDirectory, "engine_" + engineFormat + "." + extension);

            // To use this format, set it in the IOcrDocumentManager.EngineFormat and do a normal save using DocumentFormat.User

            // Save the document
            ocrDocumentManager.EngineFormat = engineFormat;
            ocrDocument.Save(outputFileName, DocumentFormat.User, null);
         }
      }

      // Shutdown the engine
      // Note: calling Dispose will also automatically shutdown the engine if it has been started
      Console.WriteLine("Shutting down...");
      ocrEngine.Shutdown();
   }
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
public const string OcrAdvantageRuntimeDir = @"C:\LEADTOOLS 19\Bin\Common\OcrAdvantageRuntime";
}