WPF

//*** page where RoutedEvent is set up and fired from
namespace BlahBlah
{

    public partial class pageCfgBrushes : Page
    {
        // Register routed event - Bubble up
        public static readonly RoutedEvent BrushSelectionChangedEvent =
            EventManager.RegisterRoutedEvent("BrushSelectionChanged", RoutingStrategy.Bubble,
            typeof(RoutedEventHandler), typeof(pageCfgBrushes));

        public event RoutedEventHandler BrushSelectionChanged
        {
            add { AddHandler(BrushSelectionChangedEvent, value); }
            remove { RemoveHandler(BrushSelectionChangedEvent, value); }
        }

        public pageCfgBrushes()
        {
            InitializeComponent();
	}

        //*** The SelectDataset is fired from a comboListbox change event on the page, and it does run this code
        private void SelectDataset(object sender, SelectionChangedEventArgs e)
        {

            // Raise the routed event "BrushSelectionChangedEvent"
            RaiseEvent(new RoutedEventArgs(BrushSelectionChangedEvent));
           
        }
    }
}




//*** MainWindow
namespace BlahBlah
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();  //Initializes XAML code
        }

        protected override void OnInitialized(EventArgs e)
        {
            base.OnInitialized(e);


            //Don't show the navigation bar on screen
            navContent.NavigationUIVisibility = NavigationUIVisibility.Hidden;
            //...

            //Display main page on load
            navContent.Navigate(new pageMain());

            //testing RoutedEvent
            pnlStatusArea.AddHandler(pageCfgBrushes.BrushSelectionChangedEvent, new RoutedEventHandler(UpdateStatusBar));

        }

        //*** But this UpdateStatusBar routine never gets run
        private void UpdateStatusBar(object sender, RoutedEventArgs e)
        {
            this.StatusBlockMsg.Text = "DataChanged Event";
        }
    }
}