private void btnOpenImage_Click(object sender, RoutedEventArgs e)
        {
            var file = new OpenFileDialog()
            {
                Filter = "Image files |*.jpg;*.jpeg;*.png"
            };

            if (file.ShowDialog() == true)
            {
                var ocr = new OCR()
                {
                    ImagePath = file.FileName, Language = Language
                };

                rtxtTexto.Document.Blocks.Clear();
                rtxtTexto.Document.Blocks.Add(new Paragraph(new Run(ocr.FromImage())));
            }

            Speak = new Speech();
        }