public FileIndexPage()
        {
            this.InitializeComponent();

            _navigationhelper = new NavigationHelper(this);
            _navigationhelper.LoadState += Navigationhelper_LoadState;
            _navigationhelper.SaveState += Navigationhelper_SaveState;
        }
        public TextContent()
        {
            this.InitializeComponent();

            _navigationhelper = new NavigationHelper(this);
            _navigationhelper.LoadState += Navigationhelper_LoadState;
            _navigationhelper.SaveState += Navigationhelper_SaveState;

            initShareUI();

        }