public MyHomeViewModel()
 {
     MyStockList   = new ObservableCollection <MyStock>();
     SellCommand   = new Command(Sell);
     TappedCommand = new Command(TappedStock);
     // Find the binding context of tabbed page, in order to use its properties
     vm = App.Current.Resources["vm"] as TabbedViewModel;
 }
 public DetailsViewModel()
 {
     BuyCommand = new Command(Buy);
     // Find the binding context of tabbed page, in order to use its properties
     vm = App.Current.Resources["vm"] as TabbedViewModel;
 }
 public SettingsViewModel()
 {
     CheckCommand = new Command(SaveSettings);
     vm           = App.Current.Resources["vm"] as TabbedViewModel;
 }