private async void FileAddButton_Click(object sender, RoutedEventArgs e)
{
FileOpenPicker fileOpenPicker = new FileOpenPicker();
if (!StorageApplicationPermissions.FutureAccessList.ContainsItem(App.RECENT_FILE_DIRECTORY_TOKEN))
{
fileOpenPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
}
fileOpenPicker.FileTypeFilter.Add(".pdf");
StorageFile selectedFile = await fileOpenPicker.PickSingleFileAsync();;
if (selectedFile != null)
{
StorageFolder parentfolder = await selectedFile.GetParentAsync();
if (parentfolder != null)
{
StorageApplicationPermissions.FutureAccessList.AddOrReplace(App.RECENT_FILE_DIRECTORY_TOKEN, parentfolder);
}
InternalFile internalFile = await InternalFile.LoadInternalFileAsync(selectedFile);
if (internalFile.Decrypted)
{
loadedFile = internalFile;
TotalPageNumber.Text = loadedFile.PageCount.ToString();
selectedPageRange = new PageRange(loadedFile.Document);
loadedFileList = new ObservableCollection <InternalFile>();
loadedFileList.Add(loadedFile);
loadedFilesView.ItemsSource = loadedFileList;
PageRangeInput.Text = String.Empty;
// load the file separately for rendering
try
{
renderDocument = await PdfDocument.LoadFromFileAsync(loadedFile.File);
renderedPageNumber = 1;
RenderedPagePreviewFrame.Navigate(typeof(RenderedPagePreview), renderDocument);
renderedPagePreview = RenderedPagePreview.Current;
SetCurrentPageLabel();
}
catch (Exception)
{
rootPage.NotifyUser("Document is not a valid PDF.", NotifyType.ErrorMessage);
}
}
else
{
ToolPage.Current.NotifyUser("The selected file cannot be loaded since it is password-protected.", NotifyType.ErrorMessage);
}
}
if (loadedFileList.Count > 0)
{
SelectPanel.Visibility = Visibility.Visible;
}
else
{
SelectPanel.Visibility = Visibility.Collapsed;
}
}
