Fixed the issue that crash when close.

src/Editor/Ghost.Editor.Core/Ghost.Editor.Core.csproj

@@ -13,10 +13,10 @@
     <langversion>preview</langversion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.2" />
+    <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.5" />
-    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.7463" />
+    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.7705" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260101001" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260317003" />
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.2" />
     <PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.2.251219" />
   </ItemGroup>
 

src/Editor/Ghost.Editor.Core/Services/NotificationService.cs

@@ -41,10 +41,6 @@ public class NotificationService : INotificationService
 
     internal void ClearReference()
     {
-        if (_infoBar != null)
-        {
-            _infoBar.IsOpen = false;
-        }
         _infoBar = null;
         _notificationQueue = null;
     }

src/Editor/Ghost.Editor.Core/Utilities/TypeCache.cs

@@ -62,7 +62,7 @@ public static class TypeCache
         return dict;
     }
 
-    internal static void Init()
+    internal static void Initialize()
     {
         // Intentionally left blank.
         // This method exists to force the static constructor to run.

src/Editor/Ghost.Editor/ActivationHandler.cs

@@ -1,6 +1,5 @@
 using Ghost.Editor.Core.Utilities;
 using Ghost.Editor.Models;
-using Ghost.Engine;
 using Misaki.HighPerformance.LowLevel.Buffer;
 using System.Reflection;
 
@@ -52,7 +51,7 @@ internal static class ActivationHandler
         return arguments;
     }
 
-    public static async Task HandleAsync(LaunchArguments args)
+    public static ValueTask HandleAsync(LaunchArguments args)
     {
         var opts = new AllocationManagerInitOpts
         {
@@ -62,16 +61,18 @@ internal static class ActivationHandler
         };
 
         AllocationManager.Initialize(opts);
-
+        TypeCache.Initialize();
-        await Task.Run(() =>
-        {
-            TypeCache.Init();
-            App.GetService<EngineCore>();
-        });
 
         // await ((Core.AssetHandle.AssetService)App.GetService<IAssetService>()).Init();
 
         // TODO: Init other subsystems here.
         // await Task.Delay(10000); // Wait 10 seconds to simulate work.
+
+        return ValueTask.CompletedTask;
+    }
+
+    public static void Shutdown()
+    {
+        AllocationManager.Dispose();
     }
 }

src/Editor/Ghost.Editor/App.xaml.cs

@@ -144,12 +144,17 @@ public partial class App : Application
             Host.StopAsync().GetAwaiter().GetResult();
             Host.Dispose();
 
-            EditorApplication.Shutdown();
+            //EditorApplication.Shutdown();
+            ActivationHandler.Shutdown();
         }
         catch (Exception ex)
         {
             Debugger.BreakForUserUnhandledException(ex);
         }
+        finally
+        {
+            //Environment.Exit(0);
+        }
     }
 
     private void App_UnhandledException(object sender, Microsoft.UI.Xaml.UnhandledExceptionEventArgs e)

src/Editor/Ghost.Editor/Ghost.Editor.csproj

@@ -13,6 +13,7 @@
   </PropertyGroup>
   <ItemGroup>
     <None Remove="View\Controls\Hierarchy.xaml" />
+    <None Remove="View\Windows\BlankWindow1.xaml" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="Assets\SplashScreen.scale-200.png" />
@@ -38,10 +39,10 @@
     <PackageReference Include="CommunityToolkit.WinUI.Controls.Primitives" Version="8.2.251219" />
     <PackageReference Include="CommunityToolkit.WinUI.Controls.Sizers" Version="8.2.251219" />
     <PackageReference Include="CommunityToolkit.WinUI.Controls.TabbedCommandBar" Version="8.2.251219" />
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.5" />
     <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.7463" />
+    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.7705" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260101001" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.8.260317003" />
     <PackageReference Include="WinUIEx" Version="2.9.0" />
   </ItemGroup>
   <ItemGroup>
@@ -141,6 +142,9 @@
     <None Update="Assets\icon.ico">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <Page Update="View\Windows\BlankWindow1.xaml">
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Update="View\Controls\Hierarchy.xaml">
       <Generator>MSBuild:Compile</Generator>
     </Page>

src/Editor/Ghost.Editor/View/Controls/Docking/DockGroup.xaml

@@ -8,12 +8,13 @@
             <Setter.Value>
                 <ControlTemplate TargetType="local:DockGroup">
                     <Grid>
-                        <TabView x:Name="PART_TabView" 
+                        <TabView
-                                 IsAddTabButtonVisible="False"
+                            x:Name="PART_TabView"
-                                 CanDragTabs="True"
+                            VerticalAlignment="Stretch"
-                                 CanReorderTabs="False"
+                            AllowDrop="True"
-                                 AllowDrop="True">
+                            CanDragTabs="True"
-                        </TabView>
+                            CanReorderTabs="False"
+                            IsAddTabButtonVisible="False" />
                     </Grid>
                 </ControlTemplate>
             </Setter.Value>

src/Editor/Ghost.Editor/View/Controls/ProjectBrowser.xaml

@@ -144,6 +144,8 @@
                     DoubleTapped="PART_FilesView_DoubleTapped"
                     IsDoubleTapEnabled="True"
                     ItemsSource="{x:Bind ViewModel.Files, Mode=OneWay}"
+                    ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+                    ScrollViewer.HorizontalScrollMode="Disabled"
                     SelectionChanged="PART_FilesView_SelectionChanged"
                     SelectionMode="Single">
                     <ItemsView.ItemTemplate>

src/Editor/Ghost.Editor/View/Windows/BlankWindow1.xaml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<Window
+    x:Class="Ghost.Editor.View.Windows.BlankWindow1"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="using:Ghost.Editor.View.Windows"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    Title="BlankWindow1"
+    mc:Ignorable="d">
+
+    <Window.SystemBackdrop>
+        <MicaBackdrop />
+    </Window.SystemBackdrop>
+
+    <Grid />
+</Window>

src/Editor/Ghost.Editor/View/Windows/BlankWindow1.xaml.cs

@@ -0,0 +1,29 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace Ghost.Editor.View.Windows;
+/// <summary>
+/// An empty window that can be used on its own or navigated to within a Frame.
+/// </summary>
+public sealed partial class BlankWindow1 : Window
+{
+    public BlankWindow1()
+    {
+        InitializeComponent();
+    }
+}

src/Editor/Ghost.Editor/View/Windows/EngineEditorWindow.xaml

@@ -64,8 +64,12 @@
             </ctc:TabbedCommandBar>
         </Grid>
 
+        <Grid xmlns:dock="using:Ghost.Editor.View.Controls.Docking" Grid.Row="2">
+            <dock:DockingLayout x:Name="MainDockingLayout" />
+        </Grid>
+
         <!--  Editor  -->
-        <Grid Grid.Row="2">
+        <!--<Grid Grid.Row="2">
             <Grid.RowDefinitions>
                 <RowDefinition Height="*" />
                 <RowDefinition Height="Auto" />
@@ -134,7 +138,7 @@
                     </TabViewItem>
                 </ghost:NavigationTabView.TabItems>
             </ghost:NavigationTabView>
-        </Grid>
+        </Grid>-->
 
         <!--  Status Bar  -->
         <Grid

src/Runtime/Ghost.Engine/EngineCore.cs

@@ -18,7 +18,7 @@ public sealed partial class EngineCore : IDisposable
     public JobScheduler JobScheduler => _jobScheduler;
     public RenderSystem RenderSystem => _renderSystem;
 
-    internal EngineCore()
+    public EngineCore()
     {
         _jobScheduler = new JobScheduler(Environment.ProcessorCount - 2); // We -2 here, one for main thread, one for render thread
 
@@ -35,6 +35,7 @@ public sealed partial class EngineCore : IDisposable
 
     public void Dispose()
     {
+        _renderSystem.Dispose();
         _jobScheduler.Dispose();
     }
 }