diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index d1b8d608..ef676cb3 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -10032,6 +10032,9 @@
             <Trigger Property="IsSelected" Value="False">
               <Setter Property="BorderThickness" TargetName="mainBorder" Value="0,0,0,0" />
             </Trigger>
+            <Trigger Property="IsEnabled" Value="False">
+              <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter" />
+            </Trigger>
             <MultiDataTrigger>
               <MultiDataTrigger.Conditions>
                 <Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="true" />
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTabControlDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTabControlDemoCtl.xaml
index e2b5666d..02dafde3 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTabControlDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTabControlDemoCtl.xaml
@@ -17,7 +17,7 @@
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2" IsEnabled="False">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
                                 <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
@@ -143,7 +143,7 @@
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2" IsEnabled="False">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
                                 <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TabControlBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TabControlBaseStyle.xaml
index bacdd6d4..55264bfb 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TabControlBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TabControlBaseStyle.xaml
@@ -29,6 +29,9 @@
                         <Trigger Property="IsSelected" Value="False">
                             <Setter Property="BorderThickness" TargetName="mainBorder" Value="0,0,0,0"/>
                         </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+                        </Trigger>
                         <MultiDataTrigger>
                             <MultiDataTrigger.Conditions>
                                 <Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="true"/>
@@ -165,6 +168,9 @@
                         <DataTrigger Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource AncestorType=TabControl}}" Value="Right">
                             <Setter Property="Margin" Value="0,-1,0,0"/>
                         </DataTrigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+                        </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
@@ -176,4 +182,4 @@
         </Style.Triggers>
     </Style>
 
-</ResourceDictionary>
\ No newline at end of file
+</ResourceDictionary>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
index c4670657..932f66f3 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/TabControl.xaml
@@ -70,6 +70,9 @@
                         <Trigger Property="ShowCloseButton" Value="True">
                             <Setter Property="Margin" Value="0,0,0,1" TargetName="BorderMask"/>
                         </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+                        </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index 94fd44ba..d5b5dadc 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -10150,6 +10150,9 @@
             <Trigger Property="IsSelected" Value="False">
               <Setter Property="BorderThickness" TargetName="mainBorder" Value="0,0,0,0" />
             </Trigger>
+            <Trigger Property="IsEnabled" Value="False">
+              <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter" />
+            </Trigger>
             <MultiDataTrigger>
               <MultiDataTrigger.Conditions>
                 <Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="true" />
@@ -10284,6 +10287,9 @@
             <DataTrigger Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource AncestorType=TabControl}}" Value="Right">
               <Setter Property="Margin" Value="0,-1,0,0" />
             </DataTrigger>
+            <Trigger Property="IsEnabled" Value="False">
+              <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter" />
+            </Trigger>
           </ControlTemplate.Triggers>
         </ControlTemplate>
       </Setter.Value>
@@ -12421,6 +12427,9 @@
             <Trigger Property="ShowCloseButton" Value="True">
               <Setter Property="Margin" Value="0,0,0,1" TargetName="BorderMask" />
             </Trigger>
+            <Trigger Property="IsEnabled" Value="False">
+              <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter" />
+            </Trigger>
           </ControlTemplate.Triggers>
         </ControlTemplate>
       </Setter.Value>