tesseract.cs

 public static void Reconize(String fileName)
        {
            try
            {
                using (var engine = new TesseractEngine(@"tessdata", "por", EngineMode.Default))
                {
                    using (var img = Pix.LoadFromFile(fileName))
                    {
                        using (var data = engine.Process(img))
                        {
                            var text = data.GetText();
                            Console.WriteLine(text);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.Write(e);
            }
            finally
            {
                Console.ReadLine();
            }
        }
        
    }
}