public DetailItem(Kanji kanji)
        {
            InitializeComponent();

            sourceWord  = null;
            sourceKanji = kanji;
            sourceCloze = null;

            mainTextblock.Text = kanji.ToDetailString();
            descTextblock.Text = kanji.ToExampleString();
        }
 public void Update(Kanji kanji)
 {
     mainTextblock.Text = kanji.ToDetailString();
     descTextblock.Text = kanji.ToExampleString();
 }