diff --git a/src/Shared/HandyControlDemo_Shared/Resources/DemoTheme.cs b/src/Shared/HandyControlDemo_Shared/Resources/DemoTheme.cs
index d9d22af4..3b7d4966 100644
--- a/src/Shared/HandyControlDemo_Shared/Resources/DemoTheme.cs
+++ b/src/Shared/HandyControlDemo_Shared/Resources/DemoTheme.cs
@@ -11,9 +11,9 @@ namespace HandyControlDemo.Resources
         public override ResourceDictionary GetSkin(SkinType skinType) =>
             ResourceHelper.GetSkin(typeof(App).Assembly, "Resources/Themes", skinType);
 
-        public override ResourceDictionary GetTheme() => new ResourceDictionary
+        public override ResourceDictionary GetTheme() => new Lazy<ResourceDictionary>(() => new ResourceDictionary
         {
             Source = new Uri("pack://application:,,,/HandyControlDemo;component/Resources/Themes/Theme.xaml")
-        };
+        }).Value;
     }
 }
diff --git a/src/Shared/HandyControl_Shared/Controls/ColorPicker/ColorPicker.cs b/src/Shared/HandyControl_Shared/Controls/ColorPicker/ColorPicker.cs
index f8348369..668117e1 100644
--- a/src/Shared/HandyControl_Shared/Controls/ColorPicker/ColorPicker.cs
+++ b/src/Shared/HandyControl_Shared/Controls/ColorPicker/ColorPicker.cs
@@ -455,7 +455,7 @@ namespace HandyControl.Controls
             var button = new Button
             {
                 Margin = new Thickness(6),
-                Style = ResourceHelper.GetResource<Style>(ResourceToken.ButtonCustom),
+                Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.ButtonCustom),
                 Content = new Border
                 {
                     Background = brush,
diff --git a/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs b/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
index dab27a15..e0a9d08c 100644
--- a/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Growl/Growl.cs
@@ -328,7 +328,7 @@ namespace HandyControl.Controls
                 }
             };
 
-            PanelElement.SetFluidMoveBehavior(panel, ResourceHelper.GetResource<FluidMoveBehavior>(ResourceToken.BehaviorXY400));
+            PanelElement.SetFluidMoveBehavior(panel, ResourceHelper.GetResourceInternal<FluidMoveBehavior>(ResourceToken.BehaviorXY400));
         }
 
         private void Update()
@@ -372,8 +372,8 @@ namespace HandyControl.Controls
                         {
                             Message = growlInfo.Message,
                             Time = DateTime.Now,
-                            Icon = ResourceHelper.GetResource<Geometry>(growlInfo.IconKey),
-                            IconBrush = ResourceHelper.GetResource<Brush>(growlInfo.IconBrushKey),
+                            Icon = ResourceHelper.GetResourceInternal<Geometry>(growlInfo.IconKey),
+                            IconBrush = ResourceHelper.GetResourceInternal<Brush>(growlInfo.IconBrushKey),
                             _showCloseButton = growlInfo.ShowCloseButton,
                             ActionBeforeClose = growlInfo.ActionBeforeClose,
                             _staysOpen = growlInfo.StaysOpen,
@@ -407,8 +407,8 @@ namespace HandyControl.Controls
                         {
                             Message = growlInfo.Message,
                             Time = DateTime.Now,
-                            Icon = ResourceHelper.GetResource<Geometry>(growlInfo.IconKey),
-                            IconBrush = ResourceHelper.GetResource<Brush>(growlInfo.IconBrushKey),
+                            Icon = ResourceHelper.GetResourceInternal<Geometry>(growlInfo.IconKey),
+                            IconBrush = ResourceHelper.GetResourceInternal<Brush>(growlInfo.IconBrushKey),
                             _showCloseButton = growlInfo.ShowCloseButton,
                             ActionBeforeClose = growlInfo.ActionBeforeClose,
                             _staysOpen = growlInfo.StaysOpen,
diff --git a/src/Shared/HandyControl_Shared/Controls/Other/Gravatar.cs b/src/Shared/HandyControl_Shared/Controls/Other/Gravatar.cs
index 89d2dbe8..7fb8029a 100644
--- a/src/Shared/HandyControl_Shared/Controls/Other/Gravatar.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Other/Gravatar.cs
@@ -45,7 +45,7 @@ namespace HandyControl.Controls
                 {
                     Stretch = Stretch.UniformToFill
                 }
-                : ResourceHelper.GetResource<Brush>("SecondaryRegionBrush");
+                : ResourceHelper.GetResourceInternal<Brush>("SecondaryRegionBrush");
         }
 
         public ImageSource Source
diff --git a/src/Shared/HandyControl_Shared/Controls/Other/Pagination.cs b/src/Shared/HandyControl_Shared/Controls/Other/Pagination.cs
index b418a0f2..3b79eb94 100644
--- a/src/Shared/HandyControl_Shared/Controls/Other/Pagination.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Other/Pagination.cs
@@ -385,7 +385,7 @@ namespace HandyControl.Controls
         {
             return new RadioButton
             {
-                Style = ResourceHelper.GetResource<Style>(ResourceToken.PaginationButtonStyle),
+                Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.PaginationButtonStyle),
                 Content = page.ToString()
             };
         }
diff --git a/src/Shared/HandyControl_Shared/Controls/Other/TransitioningContentControl.cs b/src/Shared/HandyControl_Shared/Controls/Other/TransitioningContentControl.cs
index 2199bf41..c5d07cfb 100644
--- a/src/Shared/HandyControl_Shared/Controls/Other/TransitioningContentControl.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Other/TransitioningContentControl.cs
@@ -55,7 +55,7 @@ namespace HandyControl.Controls
             }
             else if (Application.Current != null)
             {
-                ResourceHelper.GetResource<Storyboard>($"{TransitionMode.ToString()}Transition")?.Begin(_contentPresenter);
+                ResourceHelper.GetResourceInternal<Storyboard>($"{TransitionMode.ToString()}Transition")?.Begin(_contentPresenter);
             }
         }
 
diff --git a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/HorizontalAlignmentPropertyEditor.cs b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/HorizontalAlignmentPropertyEditor.cs
index b532a173..21adcf1a 100644
--- a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/HorizontalAlignmentPropertyEditor.cs
+++ b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/HorizontalAlignmentPropertyEditor.cs
@@ -14,9 +14,9 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.ComboBox
         {
-            Style = ResourceHelper.GetResource<Style>("ComboBoxCapsule"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ComboBoxCapsule"),
             ItemsSource = Enum.GetValues(propertyItem.PropertyType),
-            ItemTemplateSelector = ResourceHelper.GetResource<DataTemplateSelector>("HorizontalAlignmentPathTemplateSelector"),
+            ItemTemplateSelector = ResourceHelper.GetResourceInternal<DataTemplateSelector>("HorizontalAlignmentPathTemplateSelector"),
             HorizontalAlignment = HorizontalAlignment.Left
         };
 
@@ -48,16 +48,16 @@ namespace HandyControl.Controls
                 switch (horizontalAlignment)
                 {
                     case HorizontalAlignment.Left:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignLeftGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignLeftGeometry"));
                         break;
                     case HorizontalAlignment.Center:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignHCenterGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignHCenterGeometry"));
                         break;
                     case HorizontalAlignment.Right:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignRightGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignRightGeometry"));
                         break;
                     case HorizontalAlignment.Stretch:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignHStretchGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignHStretchGeometry"));
                         break;
                 }
 
diff --git a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs
index e5003d53..cd70e8e3 100644
--- a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs
+++ b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs
@@ -15,6 +15,6 @@ namespace HandyControl.Controls
 
         public override BindingMode GetBindingMode(PropertyItem propertyItem) => BindingMode.OneWay;
 
-        protected override IValueConverter GetConverter(PropertyItem propertyItem) => ResourceHelper.GetResource<IValueConverter>("Object2StringConverter");
+        protected override IValueConverter GetConverter(PropertyItem propertyItem) => ResourceHelper.GetResourceInternal<IValueConverter>("Object2StringConverter");
     }
 }
diff --git a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs
index aaa22e7e..b6e2678c 100644
--- a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs
+++ b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs
@@ -8,7 +8,7 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new ToggleButton
         {
-            Style = ResourceHelper.GetResource<Style>("ToggleButtonSwitch"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ToggleButtonSwitch"),
             HorizontalAlignment = HorizontalAlignment.Left,
             IsEnabled = !propertyItem.IsReadOnly
         };
diff --git a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/VerticalAlignmentPropertyEditor.cs b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/VerticalAlignmentPropertyEditor.cs
index 9c1e2512..47941849 100644
--- a/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/VerticalAlignmentPropertyEditor.cs
+++ b/src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/VerticalAlignmentPropertyEditor.cs
@@ -14,9 +14,9 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.ComboBox
         {
-            Style = ResourceHelper.GetResource<Style>("ComboBoxCapsule"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ComboBoxCapsule"),
             ItemsSource = Enum.GetValues(propertyItem.PropertyType),
-            ItemTemplateSelector = ResourceHelper.GetResource<DataTemplateSelector>("VerticalAlignmentPathTemplateSelector"),
+            ItemTemplateSelector = ResourceHelper.GetResourceInternal<DataTemplateSelector>("VerticalAlignmentPathTemplateSelector"),
             HorizontalAlignment = HorizontalAlignment.Left
         };
 
@@ -48,16 +48,16 @@ namespace HandyControl.Controls
                 switch (verticalAlignment)
                 {
                     case VerticalAlignment.Top:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignTopGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignTopGeometry"));
                         break;
                     case VerticalAlignment.Center:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignVCenterGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignVCenterGeometry"));
                         break;
                     case VerticalAlignment.Bottom:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignBottomGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignBottomGeometry"));
                         break;
                     case VerticalAlignment.Stretch:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignVStretchGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignVStretchGeometry"));
                         break;
                 }
 
diff --git a/src/Shared/HandyControl_Shared/Controls/Screenshot/ScreenshotWindow.cs b/src/Shared/HandyControl_Shared/Controls/Screenshot/ScreenshotWindow.cs
index 2eff9434..5fc5ebb6 100644
--- a/src/Shared/HandyControl_Shared/Controls/Screenshot/ScreenshotWindow.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Screenshot/ScreenshotWindow.cs
@@ -188,7 +188,7 @@ namespace HandyControl.Controls
 
         public ScreenshotWindow(Screenshot screenshot)
         {
-            Style = ResourceHelper.GetResource<Style>(ResourceToken.Window4ScreenshotStyle);
+            Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.Window4ScreenshotStyle);
             _screenshot = screenshot;
             DataContext = this;
 
diff --git a/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs b/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
index d732a5a2..2ca7248f 100644
--- a/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
+++ b/src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs
@@ -208,7 +208,7 @@ namespace HandyControl.Controls
                 menu.SetBinding(VisibilityProperty, new Binding(ShowContextMenuProperty.Name)
                 {
                     Source = this,
-                    Converter = ResourceHelper.GetResource<IValueConverter>(ResourceToken.Boolean2VisibilityConverter)
+                    Converter = ResourceHelper.GetResourceInternal<IValueConverter>(ResourceToken.Boolean2VisibilityConverter)
                 });
             }
         }
diff --git a/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs b/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
index 9db557f3..1eb6fe9d 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs
@@ -29,7 +29,7 @@ namespace HandyControl.Controls
             if (versionInfo < SystemVersionInfo.Windows10 ||
                 versionInfo >= SystemVersionInfo.Windows10_1903)
             {
-                var colorValue = ResourceHelper.GetResource<uint>(ResourceToken.BlurGradientValue);
+                var colorValue = ResourceHelper.GetResourceInternal<uint>(ResourceToken.BlurGradientValue);
                 var color = ColorHelper.ToColor(colorValue);
                 color = Color.FromRgb(color.R, color.G, color.B);
                 window.Background = new SolidColorBrush(color);
@@ -44,7 +44,7 @@ namespace HandyControl.Controls
                 : InteropValues.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
 
             accentPolicy.AccentFlags = 2;
-            accentPolicy.GradientColor = ResourceHelper.GetResource<uint>(ResourceToken.BlurGradientValue);
+            accentPolicy.GradientColor = ResourceHelper.GetResourceInternal<uint>(ResourceToken.BlurGradientValue);
 
             var accentPtr = Marshal.AllocHGlobal(accentPolicySize);
             Marshal.StructureToPtr(accentPolicy, accentPtr, false);
diff --git a/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs b/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
index 25af6967..60b41100 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
@@ -248,8 +248,8 @@ namespace HandyControl.Controls
                 messageBox = CreateMessageBox(null, messageBoxText, caption, MessageBoxButton.OK, MessageBoxImage.None, MessageBoxResult.OK);
                 SetButtonStatus(messageBox, MessageBoxButton.OK, MessageBoxResult.OK);
                 messageBox.ShowImage = true;
-                messageBox.Image = ResourceHelper.GetResource<Geometry>(ResourceToken.SuccessGeometry);
-                messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(ResourceToken.SuccessBrush);
+                messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(ResourceToken.SuccessGeometry);
+                messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.SuccessBrush);
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
             }));
@@ -330,8 +330,8 @@ namespace HandyControl.Controls
                 messageBox = CreateMessageBox(null, messageBoxText, caption, MessageBoxButton.OK, MessageBoxImage.None, MessageBoxResult.OK);
                 SetButtonStatus(messageBox, MessageBoxButton.OK, MessageBoxResult.OK);
                 messageBox.ShowImage = true;
-                messageBox.Image = ResourceHelper.GetResource<Geometry>(ResourceToken.FatalGeometry);
-                messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(ResourceToken.PrimaryTextBrush);
+                messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(ResourceToken.FatalGeometry);
+                messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.PrimaryTextBrush);
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
             }));
@@ -375,13 +375,13 @@ namespace HandyControl.Controls
                 if (!string.IsNullOrEmpty(info.IconKey))
                 {
                     messageBox.ShowImage = true;
-                    messageBox.Image = ResourceHelper.GetResource<Geometry>(info.IconKey);
-                    messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(info.IconBrushKey);
+                    messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(info.IconKey);
+                    messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(info.IconBrushKey);
                 }
 
                 if (info.StyleKey != null)
                 {
-                    messageBox.Style = ResourceHelper.GetResource<Style>(info.StyleKey);
+                    messageBox.Style = ResourceHelper.GetResourceInternal<Style>(info.StyleKey);
                 }
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
@@ -477,7 +477,7 @@ namespace HandyControl.Controls
                         IsDefault = true,
                         Content = Lang.Confirm,
                         Command = ControlCommands.Confirm,
-                        Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle")
+                        Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle")
                     };
 
                     break;
@@ -499,15 +499,15 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.Cancel)
                     {
-                        messageBox._buttonOk.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonOk.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonCancel.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonOk.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonOk.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonOk.IsDefault = true;
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -528,15 +528,15 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.No)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonNo.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonYes.IsDefault = true;
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -565,24 +565,24 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.No)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonNo.IsDefault = true;
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
                     else if (defaultResult == MessageBoxResult.Cancel)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonCancel.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonYes.IsDefault = true;
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -616,8 +616,8 @@ namespace HandyControl.Controls
 
             if (string.IsNullOrEmpty(iconKey)) return;
             messageBox.ShowImage = true;
-            messageBox.Image = ResourceHelper.GetResource<Geometry>(iconKey);
-            messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(iconBrushKey);
+            messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(iconKey);
+            messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(iconBrushKey);
         }
 
         private static bool IsValidMessageBoxButton(MessageBoxButton value)
diff --git a/src/Shared/HandyControl_Shared/Controls/Window/PopupWindow.cs b/src/Shared/HandyControl_Shared/Controls/Window/PopupWindow.cs
index 9306c45b..0e87786e 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/PopupWindow.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/PopupWindow.cs
@@ -187,7 +187,7 @@ namespace HandyControl.Controls
                 WindowStyle = WindowStyle.None,
                 ContentStr = message,
                 WindowStartupLocation = WindowStartupLocation.CenterScreen,
-                Background = ResourceHelper.GetResource<Brush>(ResourceToken.PrimaryBrush)
+                Background = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.PrimaryBrush)
             };
             window.Show();
         }
diff --git a/src/Shared/HandyControl_Shared/Controls/Window/Window.cs b/src/Shared/HandyControl_Shared/Controls/Window/Window.cs
index 3ec97f16..101be550 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/Window.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/Window.cs
@@ -99,7 +99,7 @@ namespace HandyControl.Controls
 
         static Window()
         {
-            StyleProperty.OverrideMetadata(typeof(Window), new FrameworkPropertyMetadata(ResourceHelper.GetResource<Style>(ResourceToken.WindowWin10)));
+            StyleProperty.OverrideMetadata(typeof(Window), new FrameworkPropertyMetadata(ResourceHelper.GetResourceInternal<Style>(ResourceToken.WindowWin10)));
         }
 
         public Window()
diff --git a/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.cs b/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.cs
index 98fca96d..5b053af1 100644
--- a/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.cs
+++ b/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.cs
@@ -8,7 +8,7 @@ namespace HandyControl.Properties.Langs
 {
     public class LangProvider : INotifyPropertyChanged
     {
-        internal static LangProvider Instance => ResourceHelper.GetResource<LangProvider>("Langs");
+        internal static LangProvider Instance => ResourceHelper.GetResourceInternal<LangProvider>("Langs");
 
         private static string CultureInfoStr;
 
diff --git a/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.tt b/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.tt
index 3568c9a6..292cd060 100644
--- a/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.tt
+++ b/src/Shared/HandyControl_Shared/Properties/Langs/LangProvider.tt
@@ -27,7 +27,7 @@ namespace HandyControl.Properties.Langs
 {
     public class LangProvider : INotifyPropertyChanged
     {
-        internal static LangProvider Instance => ResourceHelper.GetResource<LangProvider>("Langs");
+        internal static LangProvider Instance => ResourceHelper.GetResourceInternal<LangProvider>("Langs");
 
         private static string CultureInfoStr;
 
@@ -81,4 +81,4 @@ namespace HandyControl.Properties.Langs
 
 <#}#>
     }
-}
\ No newline at end of file
+}
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.cs b/src/Shared/HandyControl_Shared/Themes/Theme.cs
index 29d9726b..17219c41 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.cs
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Windows;
 using HandyControl.Data;
 using HandyControl.Tools;
@@ -11,11 +12,11 @@ namespace HandyControl.Themes
         {
             if (DesignerHelper.IsInDesignMode)
             {
-                MergedDictionaries.Add(new ResourceDictionary
+                MergedDictionaries.Add(new()
                 {
                     Source = new Uri("pack://application:,,,/HandyControl;component/Themes/SkinDefault.xaml")
                 });
-                MergedDictionaries.Add(new ResourceDictionary
+                MergedDictionaries.Add(new()
                 {
                     Source = new Uri("pack://application:,,,/HandyControl;component/Themes/Theme.xaml")
                 });
@@ -48,14 +49,51 @@ namespace HandyControl.Themes
             }
         }
 
+        public static readonly DependencyProperty SkinProperty = DependencyProperty.RegisterAttached(
+            "Skin", typeof(SkinType), typeof(Theme), new PropertyMetadata(default(SkinType), OnSkinChanged));
+
+        private static void OnSkinChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is FrameworkElement element)
+            {
+                var skin = (SkinType) e.NewValue;
+
+                if (element.Resources is Theme resource)
+                {
+                    resource.Skin = skin;
+                }
+                else
+                {
+                    var themes = element.Resources.MergedDictionaries.OfType<Theme>();
+                    if (!themes.Any())
+                    {
+                        element.Resources.MergedDictionaries.Add(new Theme
+                        {
+                            Skin = skin
+                        });
+                    }
+                    else
+                    {
+                        foreach (var subResource in element.Resources.MergedDictionaries.OfType<Theme>())
+                        {
+                            subResource.Skin = skin;
+                        }
+                    }
+                }
+            }
+        }
+
+        public static void SetSkin(DependencyObject element, SkinType value)
+            => element.SetValue(SkinProperty, value);
+
+        public static SkinType GetSkin(DependencyObject element)
+            => (SkinType) element.GetValue(SkinProperty);
+
         public string Name { get; set; }
 
         public virtual ResourceDictionary GetSkin(SkinType skinType) => ResourceHelper.GetSkin(skinType);
 
-        public virtual ResourceDictionary GetTheme() => new ResourceDictionary
-        {
-            Source = new Uri("pack://application:,,,/HandyControl;component/Themes/Theme.xaml")
-        };
+        public virtual ResourceDictionary GetTheme() => ResourceHelper.GetTheme();
 
         private void UpdateResource()
         {
diff --git a/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs b/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
index b17541e8..6debc387 100644
--- a/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
+++ b/src/Shared/HandyControl_Shared/Tools/Helper/ResourceHelper.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Windows;
@@ -13,29 +12,6 @@ namespace HandyControl.Tools
     /// </summary>
     public class ResourceHelper
     {
-        /// <summary>
-        ///     获取字符串
-        /// </summary>
-        /// <param name="key"></param>
-        /// <returns></returns>
-        public static string GetString(string key) => Application.Current.TryFindResource(key) as string;
-
-        /// <summary>
-        ///     获取字符串
-        /// </summary>
-        /// <param name="separator"></param>
-        /// <param name="keyArr"></param>
-        /// <returns></returns>
-        public static string GetString(string separator = ";", params string[] keyArr) =>
-            string.Join(separator, keyArr.Select(key => Application.Current.TryFindResource(key) as string).ToList());
-
-        /// <summary>
-        ///     获取字符串
-        /// </summary>
-        /// <param name="keyArr"></param>
-        /// <returns></returns>
-        public static List<string> GetStringList(params string[] keyArr) => keyArr.Select(key => Application.Current.TryFindResource(key) as string).ToList();
-
         /// <summary>
         ///     获取资源
         /// </summary>
@@ -51,23 +27,29 @@ namespace HandyControl.Tools
             return default;
         }
 
-        /// <summary>
-        ///     获取HandyControl皮肤
-        /// </summary>
-        /// <param name="skin"></param>
-        /// <returns></returns>
-        public static ResourceDictionary GetSkin(SkinType skin) => new ResourceDictionary
+        internal static T GetResourceInternal<T>(string key)
         {
-            Source = new Uri($"pack://application:,,,/HandyControl;component/Themes/Skin{skin.ToString()}.xaml")
-        };
+            if (GetTheme()[key] is T resource)
+            {
+                return resource;
+            }
+
+            return default;
+        }
+
+        public static Theme GetTheme(string name, ResourceDictionary resourceDictionary)
+        {
+            if (string.IsNullOrEmpty(name) || resourceDictionary == null)
+            {
+                return null;
+            }
+
+            return resourceDictionary.MergedDictionaries.OfType<Theme>().FirstOrDefault(item => Equals(item.Name, name));
+        }
 
         /// <summary>
         ///     获取皮肤
         /// </summary>
-        /// <param name="assembly"></param>
-        /// <param name="themePath"></param>
-        /// <param name="skin"></param>
-        /// <returns></returns>
         public static ResourceDictionary GetSkin(Assembly assembly, string themePath, SkinType skin)
         {
             try
@@ -87,11 +69,23 @@ namespace HandyControl.Tools
             }
         }
 
-        public static Theme GetTheme(string name, ResourceDictionary resourceDictionary)
+        /// <summary>
+        ///     get HandyControl skin
+        /// </summary>
+        /// <param name="skin"></param>
+        /// <returns></returns>
+        public static ResourceDictionary GetSkin(SkinType skin) => new()
         {
-            if (string.IsNullOrEmpty(name) || resourceDictionary == null) return null;
-            return resourceDictionary.MergedDictionaries.OfType<Theme>()
-                .FirstOrDefault(item => Equals(item.Name, name));
-        }
+            Source = new Uri($"pack://application:,,,/HandyControl;component/Themes/Skin{skin}.xaml")
+        };
+
+        /// <summary>
+        ///     get HandyControl theme
+        /// </summary>
+        /// <returns></returns>
+        public static ResourceDictionary GetTheme() => new Lazy<ResourceDictionary>(() => new ResourceDictionary
+        {
+            Source = new Uri("pack://application:,,,/HandyControl;component/Themes/Theme.xaml")
+        }).Value;
     }
 }
diff --git a/src/Shared/HandyControl_Shared/Tools/StyleSelector/ButtonGroupItemStyleSelector.cs b/src/Shared/HandyControl_Shared/Tools/StyleSelector/ButtonGroupItemStyleSelector.cs
index a01cfdae..d8e9e161 100644
--- a/src/Shared/HandyControl_Shared/Tools/StyleSelector/ButtonGroupItemStyleSelector.cs
+++ b/src/Shared/HandyControl_Shared/Tools/StyleSelector/ButtonGroupItemStyleSelector.cs
@@ -20,19 +20,19 @@ namespace HandyControl.Tools
                         {
                             if (count == 1)
                             {
-                                return ResourceHelper.GetResource<Style>(ResourceToken.RadioGroupItemSingle);
+                                return ResourceHelper.GetResourceInternal<Style>(ResourceToken.RadioGroupItemSingle);
                             }
 
                             var index = buttonGroup.Items.IndexOf(buttonBase);
                             return buttonGroup.Orientation == Orientation.Horizontal
                                 ? index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.RadioGroupItemHorizontalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.RadioGroupItemHorizontalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.RadioGroupItemHorizontalLast
                                         : ResourceToken.RadioGroupItemDefault)
                                 : index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.RadioGroupItemVerticalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.RadioGroupItemVerticalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.RadioGroupItemVerticalLast
                                         : ResourceToken.RadioGroupItemDefault);
                         }
@@ -41,19 +41,19 @@ namespace HandyControl.Tools
                         {
                             if (count == 1)
                             {
-                                return ResourceHelper.GetResource<Style>(ResourceToken.ButtonGroupItemSingle);
+                                return ResourceHelper.GetResourceInternal<Style>(ResourceToken.ButtonGroupItemSingle);
                             }
 
                             var index = buttonGroup.Items.IndexOf(buttonBase);
                             return buttonGroup.Orientation == Orientation.Horizontal
                                 ? index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.ButtonGroupItemHorizontalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.ButtonGroupItemHorizontalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.ButtonGroupItemHorizontalLast
                                         : ResourceToken.ButtonGroupItemDefault)
                                 : index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.ButtonGroupItemVerticalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.ButtonGroupItemVerticalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.ButtonGroupItemVerticalLast
                                         : ResourceToken.ButtonGroupItemDefault);
                         }
@@ -62,19 +62,19 @@ namespace HandyControl.Tools
                         {
                             if (count == 1)
                             {
-                                return ResourceHelper.GetResource<Style>(ResourceToken.ToggleButtonGroupItemSingle);
+                                return ResourceHelper.GetResourceInternal<Style>(ResourceToken.ToggleButtonGroupItemSingle);
                             }
 
                             var index = buttonGroup.Items.IndexOf(buttonBase);
                             return buttonGroup.Orientation == Orientation.Horizontal
                                 ? index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.ToggleButtonGroupItemHorizontalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.ToggleButtonGroupItemHorizontalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.ToggleButtonGroupItemHorizontalLast
                                         : ResourceToken.ToggleButtonGroupItemDefault)
                                 : index == 0
-                                    ? ResourceHelper.GetResource<Style>(ResourceToken.ToggleButtonGroupItemVerticalFirst)
-                                    : ResourceHelper.GetResource<Style>(index == count - 1
+                                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.ToggleButtonGroupItemVerticalFirst)
+                                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                                         ? ResourceToken.ToggleButtonGroupItemVerticalLast
                                         : ResourceToken.ToggleButtonGroupItemDefault);
                         }
diff --git a/src/Shared/HandyControl_Shared/Tools/StyleSelector/ComboBoxItemCapsuleStyleSelector.cs b/src/Shared/HandyControl_Shared/Tools/StyleSelector/ComboBoxItemCapsuleStyleSelector.cs
index a22ad2d1..6556f73c 100644
--- a/src/Shared/HandyControl_Shared/Tools/StyleSelector/ComboBoxItemCapsuleStyleSelector.cs
+++ b/src/Shared/HandyControl_Shared/Tools/StyleSelector/ComboBoxItemCapsuleStyleSelector.cs
@@ -13,13 +13,13 @@ namespace HandyControl.Tools
                 var count = comboBox.Items.Count;
                 if (count == 1)
                 {
-                    return ResourceHelper.GetResource<Style>(ResourceToken.ComboBoxItemCapsuleSingle);
+                    return ResourceHelper.GetResourceInternal<Style>(ResourceToken.ComboBoxItemCapsuleSingle);
                 }
 
                 var index = comboBox.ItemContainerGenerator.IndexFromContainer(comboBoxItem);
                 return index == 0
-                    ? ResourceHelper.GetResource<Style>(ResourceToken.ComboBoxItemCapsuleHorizontalFirst)
-                    : ResourceHelper.GetResource<Style>(index == count - 1
+                    ? ResourceHelper.GetResourceInternal<Style>(ResourceToken.ComboBoxItemCapsuleHorizontalFirst)
+                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                         ? ResourceToken.ComboBoxItemCapsuleHorizontalLast
                         : ResourceToken.ComboBoxItemCapsuleDefault);
             }
diff --git a/src/Shared/HandyControl_Shared/Tools/StyleSelector/TabItemCapsuleStyleSelector.cs b/src/Shared/HandyControl_Shared/Tools/StyleSelector/TabItemCapsuleStyleSelector.cs
index fbc4fed8..2faa96ec 100644
--- a/src/Shared/HandyControl_Shared/Tools/StyleSelector/TabItemCapsuleStyleSelector.cs
+++ b/src/Shared/HandyControl_Shared/Tools/StyleSelector/TabItemCapsuleStyleSelector.cs
@@ -13,16 +13,16 @@ namespace HandyControl.Tools
                 var count = tabControl.Items.Count;
                 if (count == 1)
                 {
-                    return ResourceHelper.GetResource<Style>(ResourceToken.TabItemCapsuleSingle);
+                    return ResourceHelper.GetResourceInternal<Style>(ResourceToken.TabItemCapsuleSingle);
                 }
 
                 var index = tabControl.ItemContainerGenerator.IndexFromContainer(tabItem);
                 return index == 0
-                    ? ResourceHelper.GetResource<Style>(
+                    ? ResourceHelper.GetResourceInternal<Style>(
                         tabControl.TabStripPlacement == Dock.Top || tabControl.TabStripPlacement == Dock.Bottom
                             ? ResourceToken.TabItemCapsuleHorizontalFirst
                             : ResourceToken.TabItemCapsuleVerticalFirst)
-                    : ResourceHelper.GetResource<Style>(index == count - 1
+                    : ResourceHelper.GetResourceInternal<Style>(index == count - 1
                         ? tabControl.TabStripPlacement == Dock.Top || tabControl.TabStripPlacement == Dock.Bottom
                             ? ResourceToken.TabItemCapsuleHorizontalLast
                             : ResourceToken.TabItemCapsuleVerticalLast