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const string resourceFileName = @"2011.07.02 v1.0 Aspose.OCR.Resources.zip";
 
try
{
    //Create OcrEngine instance and assign 
    //image, language and image configuration
    OcrEngine ocrEngine = new OcrEngine();
    ocrEngine.Image = ImageStream.FromFile("Sample.bmp");
 
    ocrEngine.Languages.AddLanguage(Language.Load("english"));
    ocrEngine.Config.NeedRotationCorrection = false;
    ocrEngine.Config.UseDefaultDictionaries = true;
 
    //Select the block to recognize text
    int startX = 0, startY = 0, width = 120, height = 100;
    IRecognitionBlock rectangleBlock = Aspose.OCR.RecognitionBlock.FromRectangle(startX, startY, width, height);
    ocrEngine.AddRecognitionBlock(rectangleBlock);
 
    //Set resource file name and extract OCR text
    using (ocrEngine.Resource = new FileStream(resourceFileName, FileMode.Open))
    {
        try
        {
            if (ocrEngine.Process())
            {
                Console.WriteLine(rectangleBlock.Text.ToString());
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine("Exception: " + ex.Message);
        }
    }
    ocrEngine = null;
}
catch (Exception ex)
{
    Console.WriteLine("Exception: " + ex.Message);
}