private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
            List<string> fonts = new List<string>();
            fonts.Add("Item 1");
            fonts.Add("Item 2");
            fonts.Add("Item 3");
            
            CurBookName.SelectionChanged += CurBookName_SelectionChanged;

            List<string> listBooksHeader = e.NavigationParameter as List<string>;

            CurBookName.ItemsSource = listBooksHeader;
            if(listBooksHeader.Count>0)
            {
                CurBookName.PlaceholderText = listBooksHeader.First();
                NewBookName.Text = listBooksHeader.First();

            }
            
        }
  private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
 {
     BookQuote temp = e.NavigationParameter as BookQuote;
     this.quoteHeader.Text = temp.Header;
     this.quoteContent.Text = temp.Content;
 }
 /// <summary>
 /// Populates the page with content passed during navigation.  Any saved state is also
 /// provided when recreating a page from a prior session.
 /// </summary>
 /// <param name="sender">
 /// The source of the event; typically <see cref="NavigationHelper"/>
 /// </param>
 /// <param name="e">Event data that provides both the navigation parameter passed to
 /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
 /// a dictionary of state preserved by this page during an earlier
 /// session.  The state will be null the first time a page is visited.</param>
 private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
 {
 }