diff --git a/Pf2eDataScrapper/Pf2eDataScrapper.csproj b/Pf2eDataScrapper/Pf2eDataScrapper.csproj
index b3f3052..7793be0 100644
--- a/Pf2eDataScrapper/Pf2eDataScrapper.csproj
+++ b/Pf2eDataScrapper/Pf2eDataScrapper.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <LangVersion>13.0</LangVersion>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>
diff --git a/Pf2eModel/Pf2eModel.csproj b/Pf2eModel/Pf2eModel.csproj
index d5e7a03..1cef725 100644
--- a/Pf2eModel/Pf2eModel.csproj
+++ b/Pf2eModel/Pf2eModel.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <GenerateRuntimeConfigurationFiles>True</GenerateRuntimeConfigurationFiles>
diff --git a/Pf2eViewer/DatabaseViewerControl.cs b/Pf2eViewer/DatabaseViewerControl.cs
index 1d3fc66..dc42e9d 100644
--- a/Pf2eViewer/DatabaseViewerControl.cs
+++ b/Pf2eViewer/DatabaseViewerControl.cs
@@ -1,4 +1,5 @@
-using Pf2eModel;
+using System.ComponentModel;
+using Pf2eModel;
 using Pf2eModel.Model.Base;
 using Pf2eModel.Model.Common.I18n;
 using Pf2eModel.Model.Enum;
@@ -15,6 +16,7 @@ public partial class DatabaseViewerControl : UserControl
 
     private EntityType _type;
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public int PerPage
     {
         get => _perPage;
@@ -25,6 +27,7 @@ public partial class DatabaseViewerControl : UserControl
         }
     }
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int Page
     {
         get => _page;
@@ -35,12 +38,15 @@ public partial class DatabaseViewerControl : UserControl
         }
     }
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int Count { get; private set; }
 
     public int MaxPage => Convert.ToInt32(Math.Ceiling(1.0 * Count / PerPage));
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public EntityView CurrentEntity { get; private set; } = null!;
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public EntityType Type
     {
         get => _type;
@@ -51,7 +57,7 @@ public partial class DatabaseViewerControl : UserControl
         }
     }
 
-    internal bool _updating = false;
+    private bool _updating = false;
 
     public DatabaseViewerControl()
     {
diff --git a/Pf2eViewer/EntityTreeViewer/EntityTreeViewerControl.cs b/Pf2eViewer/EntityTreeViewer/EntityTreeViewerControl.cs
index 159f183..b3823d0 100644
--- a/Pf2eViewer/EntityTreeViewer/EntityTreeViewerControl.cs
+++ b/Pf2eViewer/EntityTreeViewer/EntityTreeViewerControl.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.ComponentModel;
 using Pf2eViewer.EntityTreeViewer;
 
 namespace Pf2eViewer.EntityTreeViewer;
@@ -11,6 +12,7 @@ public sealed partial class EntityTreeViewerControl : UserControl
 
     private int _depthSize = 20;
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public int ItemHeight
     {
         get => _itemHeight;
@@ -21,6 +23,7 @@ public sealed partial class EntityTreeViewerControl : UserControl
         }
     }
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public EntityView? EntityView
     {
         get => _entityView;
@@ -31,6 +34,7 @@ public sealed partial class EntityTreeViewerControl : UserControl
         }
     }
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public int DepthSize
     {
         get => _depthSize;
@@ -41,6 +45,7 @@ public sealed partial class EntityTreeViewerControl : UserControl
         }
     }
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int NameWidth { get; private set; } = 200;
 
     private readonly List<StructureField> _rows = [];
diff --git a/Pf2eViewer/EntityTreeViewer/EntityTreeViewerRow.cs b/Pf2eViewer/EntityTreeViewer/EntityTreeViewerRow.cs
index 00b94fd..1f30723 100644
--- a/Pf2eViewer/EntityTreeViewer/EntityTreeViewerRow.cs
+++ b/Pf2eViewer/EntityTreeViewer/EntityTreeViewerRow.cs
@@ -1,4 +1,6 @@
-using System.Diagnostics.CodeAnalysis;
+using System.ComponentModel;
+using System.Diagnostics.CodeAnalysis;
+using System.Windows.Markup;
 using FontAwesome.Sharp;
 
 namespace Pf2eViewer.EntityTreeViewer;
@@ -11,6 +13,7 @@ internal sealed partial class EntityTreeViewerRow : UserControl
 
     public int ViewIndex = 0;
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public Bitmap IconCache
     {
         get
@@ -25,6 +28,7 @@ internal sealed partial class EntityTreeViewerRow : UserControl
     }
     private Bitmap? _iconCache;
 
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public List<LadderType> Ladder
     {
         get => _ladder;
@@ -36,26 +40,36 @@ internal sealed partial class EntityTreeViewerRow : UserControl
     }
     private List<LadderType> _ladder = [];
 
+    [AllowNull]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public override Font Font
     {
         get => ParentControl.Font;
         set => ParentControl.Font = value;
     }
+
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public override Color ForeColor
     {
         get => ParentControl.ForeColor;
         set => ParentControl.ForeColor = value;
     }
+
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     public override Color BackColor
     {
         get => ParentControl.BackColor;
         set => ParentControl.BackColor = value;
     }
+
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int ItemHeight
     {
         get => ParentControl.ItemHeight;
         set => ParentControl.ItemHeight = value;
     }
+
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
     public int DepthSize
     {
         get => ParentControl.ItemHeight;
diff --git a/Pf2eViewer/Pf2eViewer.csproj b/Pf2eViewer/Pf2eViewer.csproj
index ab9617d..405246c 100644
--- a/Pf2eViewer/Pf2eViewer.csproj
+++ b/Pf2eViewer/Pf2eViewer.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows7.0</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>