Synchronize window title with navigation bar header

src/AvaloniaInside.Shell/INavigator.cs

@@ -9,6 +9,8 @@ public interface INavigator
 {
 	Uri CurrentUri { get; }
 
+	event EventHandler<NaviagateEventArgs>? OnNavigate;
+
 	INavigationRegistrar Registrar { get; }
 
 	NavigationChain? CurrentChain { get; }

src/AvaloniaInside.Shell/Navigator.cs

@@ -18,6 +18,8 @@ public partial class Navigator : INavigator
     private bool _navigating;
     private ShellView? _shellView;
 
+    public event EventHandler<NaviagateEventArgs>? OnNavigate;
+
     public ShellView ShellView => _shellView ?? throw new ArgumentNullException(nameof(ShellView));
 
     public Uri CurrentUri => _stack.Current?.Uri ?? Registrar.RootUri;
@@ -154,6 +156,20 @@ await _updateStrategy.UpdateChangesAsync(
             await fromPage.OnNavigateAsync(args, cancellationToken);
         }
 
+        // Fire the OnNavigate event for external subscribers
+        OnNavigate?.Invoke(this, new NaviagateEventArgs
+        {
+            Sender = sender,
+            From = fromPage,
+            To = _stack.Current?.Instance,
+            FromUri = origin,
+            ToUri = newUri,
+            Argument = argument,
+            Navigate = finalNavigateType,
+            WithAnimation = withAnimation,
+            OverrideTransition = overrideTransition
+        });
+
         _navigating = false;
     }
 

src/Example/ShellExample/ShellExample/Views/MainWindow.axaml

@@ -8,5 +8,5 @@
         Icon="/Assets/avalonia-logo.ico"
         Title="ShellExample"
         Width="450">
-	<views:MainView />
+	<views:MainView x:Name="MainView" />
 </Window>

src/Example/ShellExample/ShellExample/Views/MainWindow.axaml.cs

@@ -1,5 +1,7 @@
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using AvaloniaInside.Shell;
 
 namespace ShellExample.Views;
 
@@ -11,4 +13,34 @@ public MainWindow()
 		InitializeComponent();
 	}
 
+	protected override void OnLoaded(RoutedEventArgs e)
+	{
+		base.OnLoaded(e);
+
+		// Subscribe to navigation events to update window title
+		if (MainView.Navigator != null)
+		{
+			MainView.Navigator.OnNavigate += OnNavigate;
+		}
+	}
+
+	protected override void OnUnloaded(RoutedEventArgs e)
+	{
+		// Unsubscribe from navigation events
+		if (MainView.Navigator != null)
+		{
+			MainView.Navigator.OnNavigate -= OnNavigate;
+		}
+
+		base.OnUnloaded(e);
+	}
+
+	private void OnNavigate(object? sender, NaviagateEventArgs e)
+	{
+		if (e.To is AvaloniaObject targetView)
+		{
+			var header = NavigationBar.GetHeader(targetView) as string;
+			Title = header ?? "Shell Example";
+		}
+	}
 }