public ChargePointAuthView()
 {
     InitializeComponent();
     _navigationHelper = new NavigationHelper(this);
     _navigationHelper.LoadState += navigationHelper_LoadState;
     _navigationHelper.SaveState += navigationHelper_SaveState;
 }
 public HistoryPage()
 {
     InitializeComponent();
     _navigationHelper = new NavigationHelper(this);
     _navigationHelper.LoadState += navigationHelper_LoadState;
     _navigationHelper.SaveState += navigationHelper_SaveState;
 }