protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            this._navigationhelper.OnNavigatedTo(e);
            _textContentVM = Resources["textContentSource"] as TextContentViewModel;
            _textContentVM.GetContent();
            _translateModel = Resources["languageCollection"] as LanguageTranslateModel;

            var recognizeModel = e.Parameter as ImageRecognizeViewModel;
            if(recognizeModel != null)
            {
                // Nên là Recog Image
                //previewImage.Source = recognizeModel.Image;
                //recognizeModel.RecognizedImage = recognizeModel.RecognizedImage.Resize(
                //    (int)this.previewImage.Width,
                //    (int)this.previewImage.Height,
                //    WriteableBitmapExtensions.Interpolation.Bilinear
                //    );
                //recognizeModel.ShowRecognizedRect();
                previewImage.Source = recognizeModel.RecognizedImage;
            }

            //fromLanguage.SelectedItem = "English";
            _translateModel.From = LanguageTranslateModel.GetRecognizeLanguage();
            _translateModel.To = await LanguageTranslateModel.GetLocalityLanguage();
            fromLanguage.SelectedItem = _translateModel.From;
            toLanguage.SelectedItem = _translateModel.To;
        }
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            this._navigationhelper.OnNavigatedTo(e);
            _textContentVM = Resources["textContentSource"] as TextContentViewModel;
            _textContentVM.GetContent();
            _translateModel = Resources["languageCollection"] as LanguageTranslateModel;

            var recognizeModel = e.Parameter as ImageRecognizeViewModel;

            if (recognizeModel != null)
            {
                // Nên là Recog Image
                //previewImage.Source = recognizeModel.Image;
                //recognizeModel.RecognizedImage = recognizeModel.RecognizedImage.Resize(
                //    (int)this.previewImage.Width,
                //    (int)this.previewImage.Height,
                //    WriteableBitmapExtensions.Interpolation.Bilinear
                //    );
                //recognizeModel.ShowRecognizedRect();
                previewImage.Source = recognizeModel.RecognizedImage;
            }

            //fromLanguage.SelectedItem = "English";
            _translateModel.From = LanguageTranslateModel.GetRecognizeLanguage();
            _translateModel.To   = await LanguageTranslateModel.GetLocalityLanguage();

            fromLanguage.SelectedItem = _translateModel.From;
            toLanguage.SelectedItem   = _translateModel.To;
        }