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(); }