TrafficApp/App.xaml.cs (2 lines): - line 81: //TODO: Load state from previously suspended application - line 119: //TODO: Save application state and stop any background activity TrafficApp/MainPage.xaml (1 line): - line 153: LocationHelper/LocationHelper.cs (1 line): - line 57: // TODO Replace the placeholder string below with your own Bing Maps key from https://www.bingmapsportal.com