Inheritance: Windows.UI.Xaml.DependencyObject
        public TrafficAthens()
        {
            this.InitializeComponent();

            timer.Interval = TimeSpan.FromSeconds(1);
            timer.Tick += timer_Tick;
            timer.Start();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += navigationHelper_LoadState;
            this.navigationHelper.SaveState += navigationHelper_SaveState;
            
            listReduced = false;
            refreshButtonAvailable = true;
            firstTimeVisibility = true;
            autoRefreshAvailable = true;
            firstTimeWidthHeightCalibration = true;

            try
            {
                startingHeight = Window.Current.Bounds.Height - 140;
                StreetList.Height = startingHeight;
            }
            catch (Exception)
            {
                Debug.WriteLine("Exception caught in TrafficAthens()");
            }
        }
        public tramSelection()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;
        }
        public innerStops()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;
        }
        public TouristMode()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;
        }
        public trainSelection()
        {
            this.InitializeComponent();
            //Windows.Phone.UI.Input.HardwareButtons.BackPressed += HardwareButtons_BackPressed;
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState; 

        }
        public TimeSchedule()
        {
            this.InitializeComponent();
            //(Application.Current.Resources["progressRing"] as ProgressRing).IsActive = true;

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;
        }
        public RssPresenter()
        {
            this.InitializeComponent();

            oasaFeedCollection = new ObservableCollection<oasaFeedItem>();
            apergiaFeedCollection = new ObservableCollection<apergiaFeedItem>();

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