public CortanaSearch()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;

            DataContext = ViewModelLocator.CortanaSearchStatic;
        }
        public CortanaCalendar()
        {
            this.InitializeComponent();
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;

            DataContext = ViewModelLocator.CortanaCalendarStatic;

            Loaded += CortanaCalendar_Loaded;
        }