private async void FileErrorAttachment_Click(object sender, RoutedEventArgs e)
        {
            // Open a text file.
            FileOpenPicker open = new FileOpenPicker();

            open.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
            open.FileTypeFilter.Add("*");

            // When running on win32, FileOpenPicker needs to know the top-level hwnd via IInitializeWithWindow::Initialize.
            if (Window.Current == null)
            {
                IInitializeWithWindow initializeWithWindowWrapper = open.As <IInitializeWithWindow>();
                IntPtr hwnd = GetActiveWindow();
                initializeWithWindowWrapper.Initialize(hwnd);
            }
            StorageFile file = await open.PickSingleFileAsync();

            var filePath = string.Empty;

            if (file != null)
            {
                filePath = file.Path;
                FileAttachmentLabel.Text = filePath;
            }
            else
            {
                FileAttachmentLabel.Text = "The file isn't selected";
            }
            localSettings.Values[Constants.KeyFileErrorAttachments] = filePath;
        }
        private async Task <Tuple <string, ILanguage> > GetCodeFileText()
        {
            try
            {
                var picker = new FileOpenPicker();

                IntPtr windowHandle = (App.Current as App).WindowHandle;
                IInitializeWithWindow initializeWithWindowWrapper = picker.As <IInitializeWithWindow>();
                initializeWithWindowWrapper.Initialize(windowHandle);

                picker.FileTypeFilter.Add("*");

                var file = await picker.PickSingleFileAsync();

                if (file == null)
                {
                    return(null);
                }

                System.Diagnostics.Debugger.Launch();

                string text = "";
                using (var reader = new StreamReader(await file.OpenStreamForReadAsync(), true))
                {
                    text = await reader.ReadToEndAsync();
                }

                ILanguage Language = Languages.FindById(file.FileType.Replace(".", "")) ?? Languages.CSharp;
                return(new Tuple <string, ILanguage>(text, Language));
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine(ex);
                return(new Tuple <string, ILanguage>("ERROR", Languages.CSharp));
            }
        }