Initial navigaiton work; opening Windows

Hyperbar.Windows/App.xaml.cs

@@ -8,7 +8,6 @@ using Microsoft.UI.Dispatching;
 using Microsoft.UI.Xaml;
 using System.Reflection;
 using Hyperbar.Widget.Windows;
-using Microsoft.UI.Xaml.Markup;
 
 namespace Hyperbar.Windows;
 
@@ -46,6 +45,8 @@ public partial class App :
                     args.Placement = DesktopApplicationBarPlacemenet.Top;
                 });
 
+                services.AddNavigationHandler<WindowHandler>();
+
                 services.AddSingleton<DesktopApplicationBar>();
                 services.AddContentTemplate<ApplicationBarViewModel, ApplicationBarView>();
                 services.AddContentTemplate<PrimaryViewModel, PrimaryView>();

Hyperbar.Windows/SecondaryViewModel.cs

@@ -15,9 +15,9 @@ public partial class SecondaryViewModel :
         IMediator mediator,
         IDisposer disposer,
         int index) : base(serviceFactory, mediator, disposer)
-    {
+    {       
+        TemplateFactory = templateFactory;
         this.index = index;
-        this.TemplateFactory = templateFactory;
 
         Add<SettingsButtonViewModel>();
     }

Hyperbar.Windows/SettingsButtonView.xaml

@@ -18,6 +18,7 @@
         Width="{ThemeResource ButtonWidth}"
         Height="{ThemeResource ButtonHeight}"
         Padding="{ThemeResource ButtonPadding}"
+        Command="{x:Bind ViewModel.InvokeCommand}"
         Content=""
         FontFamily="{ThemeResource SymbolThemeFontFamily}"
         FontSize="16" />

Hyperbar.Windows/SettingsButtonView.xaml.cs

@@ -2,9 +2,12 @@ using Microsoft.UI.Xaml.Controls;
 
 namespace Hyperbar.Windows;
 
-public sealed partial class SettingsButtonView : 
+public partial class SettingsButtonView : 
     UserControl
 {
     public SettingsButtonView() => 
-        this.InitializeComponent();
+        InitializeComponent();
+
+    protected SettingsButtonViewModel ViewModel =>
+        (SettingsButtonViewModel)DataContext;
 }

Hyperbar.Windows/SettingsButtonViewModel.cs

@@ -1,11 +1,24 @@
-namespace Hyperbar.Windows;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
 
-public class SettingsButtonViewModel(ITemplateFactory templateFactory,
-    IServiceFactory serviceFactory,
-    IMediator mediator,
-    IDisposer disposer) :
-    ObservableViewModel(serviceFactory, mediator, disposer),
+namespace Hyperbar.Windows;
+
+public partial class SettingsButtonViewModel :
+    ObservableViewModel,
     ITemplatedViewModel
 {
-    public ITemplateFactory TemplateFactory => templateFactory;
+    [ObservableProperty]
+    private IRelayCommand? invokeCommand;
+
+    public SettingsButtonViewModel(ITemplateFactory templateFactory,
+        IServiceFactory serviceFactory,
+        IMediator mediator,
+        IDisposer disposer) : base(serviceFactory, mediator, disposer)
+    {
+        TemplateFactory = templateFactory;
+        InvokeCommand = new AsyncRelayCommand(async () =>
+            await mediator.PublishAsync(new Navigate("Settings")));
+    }
+
+    public ITemplateFactory TemplateFactory { get; }
 }

Hyperbar.Windows/SettingsView.xaml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<UserControl
+<Window
     x:Class="Hyperbar.Windows.SettingsView"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <Grid />
-</UserControl>
+    <Button>afsdfdg</Button>
+</Window>

Hyperbar.Windows/SettingsView.xaml.cs

@@ -1,9 +1,10 @@
+using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 
 namespace Hyperbar.Windows
 {
-    public sealed partial class SettingsView : 
-        UserControl
+    public sealed partial class SettingsView :
+        Window
     {
         public SettingsView() => 
             InitializeComponent();