support for dynamic switching languages

src/Core_GE30/HandyControlDemo_Core_GE30/HandyControlDemo_Core_GE30.csproj

@@ -46,6 +46,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>MessageToken.tt</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
     <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\Lang.Designer.cs">
       <Link>Properties\Langs\Lang.Designer.cs</Link>
       <AutoGen>True</AutoGen>
@@ -517,6 +523,11 @@
       <Generator>TextTemplatingFileGenerator</Generator>
       <LastGenOutput>MessageToken.cs</LastGenOutput>
     </Content>
+    <Content Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\Shared\HandyControlDemo_Shared\Data\MessageToken.tt" Link="Data\MessageToken.tt">

src/Core_GE30/HandyControl_Core_GE30/HandyControl_Core_GE30.csproj

@@ -42,6 +42,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Lang.resx</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="..\..\Shared\HandyControl_Shared\Properties\Langs\Lang.en.resx">
@@ -65,6 +71,13 @@
       <Link>Properties\CoreAssemblyInfo.cs</Link>
     </Compile>
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
+  </ItemGroup>
   <Import Project="..\..\Shared\HandyControl_Shared\HandyControl_Shared.projitems" Label="Shared" />
   <ItemGroup>
     <Resource Include="..\..\Shared\HandyControl_Shared\Resources\dropper.cur">

src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj

@@ -75,6 +75,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>MessageToken.tt</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
     <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\AssemblyInfo.cs">
       <Link>Properties\AssemblyInfo.cs</Link>
     </Compile>
@@ -446,6 +452,11 @@
       <Generator>TextTemplatingFileGenerator</Generator>
       <LastGenOutput>MessageToken.cs</LastGenOutput>
     </Content>
+    <Content Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
     <Resource Include="..\..\Shared\HandyControlDemo_Shared\Resources\Img\LeftMainContent\Effects_16x.png">
       <Link>Resources\Img\LeftMainContent\Effects_16x.png</Link>
     </Resource>

src/Net_40/HandyControl_Net_40/HandyControl_Net_40.csproj

@@ -47,6 +47,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Lang.resx</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
@@ -107,6 +113,11 @@
       <Generator>PublicResXFileCodeGenerator</Generator>
       <LastGenOutput>Lang.Designer.cs</LastGenOutput>
     </EmbeddedResource>
+    <Content Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
   </ItemGroup>
   <ItemGroup>
     <Resource Include="..\..\Shared\HandyControl_Shared\Resources\dropper.cur">

src/Net_GE45/HandyControlDemo_Net_GE45/HandyControlDemo_Net_GE45.csproj

@@ -155,6 +155,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>MessageToken.tt</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
     <Compile Include="..\..\Shared\HandyControlDemo_Shared\Properties\AssemblyInfo.cs">
       <Link>Properties\AssemblyInfo.cs</Link>
     </Compile>
@@ -507,6 +513,11 @@
     </Resource>
   </ItemGroup>
   <ItemGroup>
+    <Content Include="..\..\Shared\HandyControlDemo_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
     <Content Include="..\..\Shared\HandyControlDemo_Shared\Data\MessageToken.tt">
       <Link>Data\MessageToken.tt</Link>
       <Generator>TextTemplatingFileGenerator</Generator>

src/Net_GE45/HandyControl_Net_GE45/HandyControl_Net_GE45.csproj

@@ -122,6 +122,12 @@
       <DesignTime>True</DesignTime>
       <DependentUpon>Lang.resx</DependentUpon>
     </Compile>
+    <Compile Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.cs">
+      <Link>Properties\Langs\LangDecorator.cs</Link>
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>LangDecorator.tt</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
@@ -152,6 +158,11 @@
       <LastGenOutput>Lang.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
+    <Content Include="..\..\Shared\HandyControl_Shared\Properties\Langs\LangDecorator.tt">
+      <Link>Properties\Langs\LangDecorator.tt</Link>
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>LangDecorator.cs</LastGenOutput>
+    </Content>
   </ItemGroup>
   <ItemGroup>
     <Resource Include="..\..\Shared\HandyControl_Shared\Resources\dropper.cur">

src/Shared/HandyControlDemo_Shared/App.xaml

@@ -7,6 +7,7 @@
              xmlns:sys="clr-namespace:System;assembly=mscorlib"
              xmlns:data="clr-namespace:HandyControlDemo.Data"
              xmlns:hc="https://handyorg.github.io/handycontrol"
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
              d1P1:Ignorable="d" 
              StartupUri="MainWindow.xaml">
     <Application.Resources>
@@ -25,11 +26,11 @@
                         <ResourceDictionary Source="Resources/Themes/Theme.xaml"/>
                     </ResourceDictionary.MergedDictionaries>
                 </ResourceDictionary>
-                <ResourceDictionary>
-                    <viewModel:ViewModelLocator x:Key="Locator" d:IsDataSource="True"/>
-                </ResourceDictionary>
             </ResourceDictionary.MergedDictionaries>
 
+            <langs:LangDecorator x:Key="DemoLangs"/>
+            <viewModel:ViewModelLocator x:Key="Locator" d:IsDataSource="True"/>
+
             <ObjectDataProvider x:Key="DemoTypes" MethodName="GetValues" ObjectType="sys:Enum">
                 <ObjectDataProvider.MethodParameters>
                     <x:Type Type="data:DemoType"/>

src/Shared/HandyControlDemo_Shared/HandyControlDemo_Shared.projitems

@@ -33,6 +33,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\HatchBrushConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\String2BrushConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\StringRepeatConverter.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\LangExtension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\AssemblyHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\CommonHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\Win32Helper.cs" />

src/Shared/HandyControlDemo_Shared/Properties/Langs/LangDecorator.tt

@@ -0,0 +1,73 @@
+<#@ template debug="false" hostspecific="false" language="C#" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Collections.Generic"#>
+<#@ assembly name="$(TargetPath)" #>
+<#@ import namespace="HandyControlDemo.Properties.Langs" #>
+<#@ output extension=".cs" #>
+<#
+	var resourceType = typeof(Lang);
+    var propertyNameList = resourceType.GetProperties().Where(item => item.PropertyType == typeof(string)).Select(item => item.Name);
+    var langDic = new Dictionary<string, string>();
+    foreach(var item in propertyNameList)
+    {
+        langDic[item] = 
+        @$"/// <summary>
+        ///   查找类似 {Lang.ResourceManager.GetString(item, Lang.Culture)} 的本地化字符串。
+        /// </summary>";
+    }
+#>
+using System.ComponentModel;
+using System.Globalization;
+using HandyControl.Tools;
+
+namespace HandyControlDemo.Properties.Langs
+{
+    public class LangDecorator : INotifyPropertyChanged
+    {
+        internal static LangDecorator Instance => ResourceHelper.GetResource<LangDecorator>("DemoLangs");
+
+        private static string CultureInfoStr;
+
+        public static CultureInfo Culture
+        {
+            get => Lang.Culture;
+            set
+            {
+                if (value == null) return;
+                if (Equals(CultureInfoStr, value.EnglishName)) return;
+                Lang.Culture = value;
+                CultureInfoStr = value.EnglishName;
+
+                Instance.UpdateLangs();
+            }
+        }
+
+		private void UpdateLangs()
+        {
+<#foreach(var item in propertyNameList){#>
+			OnPropertyChanged(nameof(<#=item#>));
+<#}#>
+        }
+
+<#foreach(var item in propertyNameList){#>
+        <#=langDic[item]#>
+		public string <#=item#> => Lang.<#=item#>;
+
+<#}#>
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName) =>
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+
+    public class LangKeys
+    {
+<#foreach(var item in propertyNameList){#>
+        <#=langDic[item]#>
+		public static string <#=item#> = nameof(<#=item#>);
+
+<#}#>
+    }
+}

src/Shared/HandyControlDemo_Shared/Tools/Extension/LangExtension.cs

@@ -0,0 +1,9 @@
+using HandyControlDemo.Properties.Langs;
+
+namespace HandyControlDemo.Tools.Extension
+{
+    public class LangExtension : HandyControl.Tools.Extension.LangExtension
+    {
+        public override object LangSource => LangDecorator.Instance;
+    }
+}

src/Shared/HandyControlDemo_Shared/UserControl/Basic/ChatBox.xaml

@@ -5,6 +5,7 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              mc:Ignorable="d" 
              Height="486"
              Effect="{StaticResource EffectShadow5}"
@@ -44,7 +45,7 @@
                         </hc:EventTrigger>
                     </hc:Interaction.Triggers>
                 </TextBox>
-                <Button Grid.Column="1" Visibility="{Binding IsChecked,ElementName=ToggleButtonAudio,Converter={StaticResource Boolean2VisibilityConverter}}" Content="{x:Static langs:Lang.PushToTalk}" HorizontalAlignment="Stretch">
+                <Button Grid.Column="1" Visibility="{Binding IsChecked,ElementName=ToggleButtonAudio,Converter={StaticResource Boolean2VisibilityConverter}}" Content="{ex:Lang Key={x:Static langs:LangKeys.PushToTalk}}" HorizontalAlignment="Stretch">
                     <hc:Interaction.Triggers>
                         <hc:EventTrigger EventName="PreviewMouseLeftButtonDown">
                             <hc:EventToCommand Command="{Binding StartRecordCmd}"/>

src/Shared/HandyControlDemo_Shared/UserControl/Basic/InteractiveDialog.xaml

@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         CornerRadius="10"
         Width="400"
@@ -10,7 +11,7 @@
         Background="{DynamicResource RegionBrush}">
     <StackPanel VerticalAlignment="Center" Margin="32">
         <TextBlock Style="{StaticResource TextBlockLargeBold}" Text="{Binding Message}"/>
-        <TextBox Margin="0,32,0,0" Style="{StaticResource TextBoxExtend}" Text="{Binding Result,UpdateSourceTrigger=PropertyChanged}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PleaseInput}"/>
-        <Button Width="120" Margin="0,32,0,0" Command="{Binding CloseCmd}" Style="{StaticResource ButtonPrimary}" Content="{x:Static langs:Lang.Ok}"/>
+        <TextBox Margin="0,32,0,0" Style="{StaticResource TextBoxExtend}" Text="{Binding Result,UpdateSourceTrigger=PropertyChanged}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PleaseInput}}"/>
+        <Button Width="120" Margin="0,32,0,0" Command="{Binding CloseCmd}" Style="{StaticResource ButtonPrimary}" Content="{ex:Lang Key={x:Static langs:LangKeys.Ok}}"/>
     </StackPanel>
 </Border>

src/Shared/HandyControlDemo_Shared/UserControl/Basic/TextDialog.xaml

@@ -2,13 +2,14 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         CornerRadius="10"
         Width="400"
         Height="247"
         Background="{DynamicResource RegionBrush}">
     <hc:SimplePanel>
-        <TextBlock Style="{StaticResource TextBlockLargeBold}" Text="{x:Static langs:Lang.PleaseWait}"/>
+        <TextBlock Style="{StaticResource TextBlockLargeBold}" Text="{ex:Lang Key={x:Static langs:LangKeys.PleaseWait}}"/>
         <Button Width="22" Height="22" Command="hc:ControlCommands.Close" Style="{StaticResource ButtonIcon}" Foreground="{DynamicResource PrimaryBrush}" hc:IconElement.Geometry="{StaticResource ErrorGeometry}" Padding="0" HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0,4,4,0"/>    
     </hc:SimplePanel>
 </Border>

src/Shared/HandyControlDemo_Shared/UserControl/Basic/TextDialogWithTimer.xaml

@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         CornerRadius="10"
         Width="400"
@@ -10,7 +11,7 @@
         Background="{DynamicResource RegionBrush}">
     <hc:SimplePanel>
         <Viewbox Width="80" Height="80">
-            <TextBlock TextWrapping="Wrap" Style="{StaticResource TextBlockLargeBold}" Text="{x:Static langs:Lang.PleaseWait}"/>
+            <TextBlock TextWrapping="Wrap" Style="{StaticResource TextBlockLargeBold}" Text="{ex:Lang Key={x:Static langs:LangKeys.PleaseWait}}"/>
         </Viewbox>
         <Button Name="ButtonClose" Width="22" Height="22" Command="{Binding CloseCmd}" Style="{StaticResource ButtonIcon}" Foreground="{DynamicResource PrimaryBrush}" hc:IconElement.Geometry="{StaticResource ErrorGeometry}" Padding="0" HorizontalAlignment="Right" VerticalAlignment="Top" Margin="0,4,4,0"/>
         <hc:CircleProgressBar Name="ProgressBarTimer" ShowText="False" Width="120" Height="120"/>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/BadgeDemoCtl.xaml

@@ -3,27 +3,28 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}"
              DataContext="{Binding BadgeDemo, Source={StaticResource Locator}}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Orientation="Horizontal">
             <hc:Badge Text="New" BadgeMargin="0,-14,-20,0" Height="30">
-                <Button Content="{x:Static langs:Lang.Comment}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Comment}}"/>
             </hc:Badge>
             <hc:Badge Text="New" BadgeMargin="0,-14,-20,0" Height="30" Margin="32,0,0,0" Style="{StaticResource BadgeDanger}">
-                <Button Content="{x:Static langs:Lang.Comment}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Comment}}"/>
             </hc:Badge>
             <hc:Badge Value="{Binding Count}" BadgeMargin="0,-14,-10,0" Height="30" Margin="32,0,0,0" Style="{StaticResource BadgePrimary}">
-                <Button Content="{x:Static langs:Lang.Click2Count}" Command="{Binding CountCmd}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Click2Count}}" Command="{Binding CountCmd}"/>
             </hc:Badge>
             <hc:Badge Value="100" BadgeMargin="0,-14,-20,0" Height="30" Margin="32,0,0,0" Style="{StaticResource BadgeDanger}">
-                <Button Content="{x:Static langs:Lang.Comment}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Comment}}"/>
             </hc:Badge>
             <hc:Badge Status="Dot" Height="30" Margin="32,0,0,0" Style="{StaticResource BadgeDanger}">
-                <Button Content="{x:Static langs:Lang.Reply}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Reply}}"/>
             </hc:Badge>
             <hc:Badge Status="Processing" Height="30" Margin="32,0,0,0" Style="{StaticResource BadgeDanger}">
-                <Button Content="{x:Static langs:Lang.Reply}" />
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Reply}}" />
             </hc:Badge>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ButtonGroupDemoCtl.xaml

@@ -3,67 +3,68 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs">
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension">
     <hc:TransitioningContentControl>
         <WrapPanel Margin="16" VerticalAlignment="Center">
             <StackPanel Margin="16">
                 <hc:ButtonGroup>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="0,32,0,0">
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="0,32,0,0" Style="{StaticResource ButtonGroupSolid}">
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}" IsChecked="True"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}" IsChecked="True"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="0,32,0,0">
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}" IsChecked="True"/>
                 </hc:ButtonGroup>
             </StackPanel>
             <StackPanel Margin="16" Orientation="Horizontal">
                 <hc:ButtonGroup Orientation="Vertical">
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="32,0,0,0" Orientation="Vertical">
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="32,0,0,0" Style="{StaticResource ButtonGroupSolid}" Orientation="Vertical">
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}" IsChecked="True"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}" IsChecked="True"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="32,0,0,0" Orientation="Vertical">
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}"/>
-                    <ToggleButton Content="{x:Static langs:Lang.ToggleButton}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}"/>
+                    <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.ToggleButton}}" IsChecked="True"/>
                 </hc:ButtonGroup>
             </StackPanel>
         </WrapPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ComboBoxDemoCtl.xaml

@@ -4,6 +4,7 @@
              DataContext="{Binding ComboBoxDemo,Source={StaticResource Locator}}"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <ScrollViewer>
@@ -12,15 +13,15 @@
                 <hc:ComboBox ItemsSource="{Binding DataList}" Margin="0,16,0,0" SelectedIndex="0" IsEnabled="False"/>
                 <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" SelectedIndex="0" Margin="0,16,0,0" IsEditable="True"/>
 
-                <hc:ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
-                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
 
-                <hc:ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
-                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </ScrollViewer>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/CoverViewDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding CoverView,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
@@ -15,7 +16,7 @@
             <hc:CoverView.ItemTemplate>
                 <DataTemplate>
                     <Border Margin="10" Height="300" Background="{Binding BackgroundToken,Converter={StaticResource String2BrushConverter}}">
-                        <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                        <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </DataTemplate>
             </hc:CoverView.ItemTemplate>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/DatePickerDemoCtl.xaml

@@ -4,17 +4,18 @@
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:system="clr-namespace:System;assembly=mscorlib"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}"/>
             <hc:DatePicker Margin="0,16,0,0" IsEnabled="False" SelectedDate="{x:Static system:DateTime.Now}"/>
 
-            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-            <hc:DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+            <hc:DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-            <hc:DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+            <hc:DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/DateTimePickerDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Orientation="Horizontal">
@@ -10,21 +11,21 @@
                 <hc:DateTimePicker ShowClearButton="True"/>
                 <hc:DateTimePicker Margin="0,16,0,0" IsEnabled="False"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerPlus}"/>
                 <hc:DateTimePicker Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource DateTimePickerPlus}"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/DialogDemoCtl.xaml

@@ -2,6 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:data="clr-namespace:HandyControlDemo.Data"
              hc:Dialog.Token="{x:Static data:MessageToken.DialogContainer}"
@@ -12,12 +13,12 @@
         <hc:TransitioningContentControl>
             <hc:SimplePanel>
                 <StackPanel Margin="32" VerticalAlignment="Center">
-                    <Button Content="{x:Static langs:Lang.TextDialog}" Command="{Binding ShowTextCmd}" />
-                    <Button Margin="0,32,0,0" Content="{x:Static langs:Lang.TextDialogInControl}" Command="{Binding ShowTextCmd}" CommandParameter="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType=UserControl}}"/>
-                    <Button Margin="0,32,0,0" Content="{x:Static langs:Lang.TextDialogWithTimer}" Command="{Binding ShowInteractiveDialogCmd}" CommandParameter="True"/>
-                    <TextBox Margin="0,32,0,0" Text="{Binding DialogResult,UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource TextBoxExtend}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PleaseInput}"/>
-                    <Button Margin="0,10,0,0" Content="{x:Static langs:Lang.InteractiveDialog}" Command="{Binding ShowInteractiveDialogCmd}"/>
-                    <Button Margin="0,32,0,0" Content="{x:Static langs:Lang.NewWindow}" Command="{Binding NewWindowCmd}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.TextDialog}}" Command="{Binding ShowTextCmd}" />
+                    <Button Margin="0,32,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.TextDialogInControl}}" Command="{Binding ShowTextCmd}" CommandParameter="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType=UserControl}}"/>
+                    <Button Margin="0,32,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.TextDialogWithTimer}}" Command="{Binding ShowInteractiveDialogCmd}" CommandParameter="True"/>
+                    <TextBox Margin="0,32,0,0" Text="{Binding DialogResult,UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource TextBoxExtend}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PleaseInput}}"/>
+                    <Button Margin="0,10,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.InteractiveDialog}}" Command="{Binding ShowInteractiveDialogCmd}"/>
+                    <Button Margin="0,32,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.NewWindow}}" Command="{Binding NewWindowCmd}"/>
                 </StackPanel>
             </hc:SimplePanel>
         </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/DividerDemoCtl.xaml

@@ -3,39 +3,40 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              Background="{DynamicResource RegionBrush}"
-             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs">
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension">
     <hc:TransitioningContentControl>
         <WrapPanel Margin="16">
             <StackPanel Margin="16" Width="300">
                 <hc:Divider/>
-                <hc:Divider Content="{x:Static langs:Lang.Title}"/>
-                <hc:Divider Content="{x:Static langs:Lang.Title}" Padding="10,0"/>
+                <hc:Divider Content="{ex:Lang Key={x:Static langs:LangKeys.Title}}"/>
+                <hc:Divider Content="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Padding="10,0"/>
                 <hc:Divider LineStrokeThickness="2" LineStroke="{DynamicResource DarkPrimaryBrush}"/>
                 <hc:Divider LineStrokeDashArray="2,2"/>
             </StackPanel>
             <StackPanel Margin="16" Width="300">
-                <hc:Divider Content="{x:Static langs:Lang.Title}" HorizontalContentAlignment="Left"/>
-                <hc:Divider Content="{x:Static langs:Lang.Title}" Padding="10,0"  HorizontalContentAlignment="Right"/>
+                <hc:Divider Content="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HorizontalContentAlignment="Left"/>
+                <hc:Divider Content="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Padding="10,0"  HorizontalContentAlignment="Right"/>
                 <StackPanel Orientation="Horizontal">
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Margin="0,16,0,0">
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider LineStrokeThickness="2" Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider LineStrokeThickness="2" Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Margin="0,16,0,0">
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider LineStrokeThickness="2" LineStroke="{DynamicResource DarkPrimaryBrush}" Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                     <hc:Divider LineStrokeThickness="2" LineStroke="{DynamicResource DarkPrimaryBrush}" Orientation="Vertical" MaxHeight="16"/>
-                    <Button Content="{x:Static langs:Lang.Button}"/>
+                    <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}"/>
                 </StackPanel>
             </StackPanel>
         </WrapPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/GridDemoCtl.xaml

@@ -4,10 +4,11 @@
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:extension="clr-namespace:HandyControl.Tools.Extension;assembly=HandyControl"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <ScrollViewer>
         <StackPanel Margin="32">
-            <TextBlock Text="{x:Static langs:Lang.BasicLayout}" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.BasicLayout}}" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
             <hc:Row Margin="0,20,0,0">
                 <hc:Col Span="24">
                     <Border Background="{DynamicResource SecondaryBorderBrush}" Height="36" CornerRadius="4"/>
@@ -66,7 +67,7 @@
                     <Border Background="{DynamicResource SecondaryBorderBrush}" Height="36" CornerRadius="4"/>
                 </hc:Col>
             </hc:Row>
-            <TextBlock Text="{x:Static langs:Lang.ColumnSpacing}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ColumnSpacing}}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
             <hc:Row Margin="0,20,0,0" Gutter="20">
                 <hc:Col Span="6">
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
@@ -81,7 +82,7 @@
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
                 </hc:Col>
             </hc:Row>
-            <TextBlock Text="{x:Static langs:Lang.HybridLayout}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.HybridLayout}}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
             <hc:Row Margin="0,20,0,0" Gutter="20">
                 <hc:Col Span="16">
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
@@ -115,7 +116,7 @@
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
                 </hc:Col>
             </hc:Row>
-            <TextBlock Text="{x:Static langs:Lang.ColumnOffset}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ColumnOffset}}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
             <hc:Row Margin="0,20,0,0" Gutter="20">
                 <hc:Col Span="6">
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
@@ -137,7 +138,7 @@
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>
                 </hc:Col>
             </hc:Row>
-            <TextBlock Text="{x:Static langs:Lang.ResponsiveLayout}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ResponsiveLayout}}" Margin="0,32,0,0" Style="{StaticResource TextBlockLargeBold}" HorizontalAlignment="Left"/>
             <hc:Row Margin="0,20,0,0" Gutter="10">
                 <hc:Col Layout="8,6,4,3,1">
                     <Border Background="{DynamicResource BorderBrush}" Height="36" CornerRadius="4"/>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/GrowlDemoCtl.xaml

@@ -3,31 +3,32 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding GrowlDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <GroupBox Header="Window" Padding="10,5">
                 <WrapPanel VerticalAlignment="Center">
-                    <Button Command="{Binding InfoCmd}" Content="{x:Static langs:Lang.Info}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
-                    <Button Command="{Binding SuccessCmd}" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
-                    <Button Command="{Binding WarningCmd}" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ButtonWarning}"/>
-                    <Button Command="{Binding ErrorCmd}" Content="{x:Static langs:Lang.Error}" Margin="5" Style="{StaticResource ButtonDanger}"/>
-                    <Button Command="{Binding AskCmd}" Content="{x:Static langs:Lang.Ask}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
-                    <Button Command="{Binding FatalCmd}" Content="{x:Static langs:Lang.Fatal}" Margin="5,0"/>
-                    <Button Command="{Binding ClearCmd}" Content="{x:Static langs:Lang.Clear}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
+                    <Button Command="{Binding InfoCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
+                    <Button Command="{Binding SuccessCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
+                    <Button Command="{Binding WarningCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ButtonWarning}"/>
+                    <Button Command="{Binding ErrorCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Error}}" Margin="5" Style="{StaticResource ButtonDanger}"/>
+                    <Button Command="{Binding AskCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Ask}}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
+                    <Button Command="{Binding FatalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Fatal}}" Margin="5,0"/>
+                    <Button Command="{Binding ClearCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Clear}}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
                 </WrapPanel>
             </GroupBox>
-            <Button Command="{Binding NewWindowCmd}" Content="{x:Static langs:Lang.NewWindow}" Margin="0,32" HorizontalAlignment="Left"/>
+            <Button Command="{Binding NewWindowCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.NewWindow}}" Margin="0,32" HorizontalAlignment="Left"/>
             <GroupBox Header="Desktop" Padding="10,5">
                 <WrapPanel VerticalAlignment="Center">
-                    <Button Command="{Binding InfoGlobalCmd}" Content="{x:Static langs:Lang.Info}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
-                    <Button Command="{Binding SuccessGlobalCmd}" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
-                    <Button Command="{Binding WarningGlobalCmd}" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ButtonWarning}"/>
-                    <Button Command="{Binding ErrorGlobalCmd}" Content="{x:Static langs:Lang.Error}" Margin="5" Style="{StaticResource ButtonDanger}"/>
-                    <Button Command="{Binding AskGlobalCmd}" Content="{x:Static langs:Lang.Ask}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
-                    <Button Command="{Binding FatalGlobalCmd}" Content="{x:Static langs:Lang.Fatal}" Margin="5,0"/>
-                    <Button Command="{Binding ClearGlobalCmd}" Content="{x:Static langs:Lang.Clear}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
+                    <Button Command="{Binding InfoGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
+                    <Button Command="{Binding SuccessGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
+                    <Button Command="{Binding WarningGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ButtonWarning}"/>
+                    <Button Command="{Binding ErrorGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Error}}" Margin="5" Style="{StaticResource ButtonDanger}"/>
+                    <Button Command="{Binding AskGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Ask}}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
+                    <Button Command="{Binding FatalGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Fatal}}" Margin="5,0"/>
+                    <Button Command="{Binding ClearGlobalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Clear}}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
                 </WrapPanel>
             </GroupBox>
         </StackPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/HoneycombPanelDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding CardDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
@@ -12,8 +13,8 @@
                 <RowDefinition/>
             </Grid.RowDefinitions>
             <hc:ButtonGroup Margin="0,0,0,16">
-                <Button Command="{Binding AddItemCmd}" Content="{x:Static langs:Lang.AddItem}"/>
-                <Button Command="{Binding RemoveItemCmd}" Content="{x:Static langs:Lang.RemoveItem}"/>
+                <Button Command="{Binding AddItemCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.AddItem}}"/>
+                <Button Command="{Binding RemoveItemCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.RemoveItem}}"/>
             </hc:ButtonGroup>
             <Border Padding="0" Grid.Row="1" Style="{StaticResource BorderRegion}">
                 <ListBox Background="Transparent" BorderThickness="0" Style="{StaticResource ListBoxCustom}" ItemsSource="{Binding DataList}">

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ImageBrowserDemoCtl.xaml

@@ -3,12 +3,13 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding ImageBrowserDemo,Source={StaticResource Locator}}"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <hc:ImageViewer Background="{DynamicResource SecondaryRegionBrush}" Width="600" Height="330" ImageSource="/HandyControlDemo;component/Resources/Img/1.jpg"/>
-            <Button Margin="0,32,0,0" Command="{Binding OpenImgCmd}" Content="{x:Static langs:Lang.OpenImageBrowser}" Style="{StaticResource ButtonPrimary}" HorizontalAlignment="Center"/>
+            <Button Margin="0,32,0,0" Command="{Binding OpenImgCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenImageBrowser}}" Style="{StaticResource ButtonPrimary}" HorizontalAlignment="Center"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotificationDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding NotificationDemo,Source={StaticResource Locator}}"
              Width="300"
              Background="{DynamicResource RegionBrush}">
@@ -10,8 +11,8 @@
         <StackPanel Margin="32" VerticalAlignment="Center">
             <ComboBox SelectedValue="{Binding ShowAnimation}" ItemsSource="{Binding Source={StaticResource ShowAnimations}}"/>
             <hc:ButtonGroup Margin="0,16,0,0">
-                <ToggleButton Content="{x:Static langs:Lang.StaysOpen}" IsChecked="{Binding StaysOpen}"/>
-                <Button Command="{Binding OpenCmd}" Content="{x:Static langs:Lang.SendNotification}"/>
+                <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.StaysOpen}}" IsChecked="{Binding StaysOpen}"/>
+                <Button Command="{Binding OpenCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.SendNotification}}"/>
             </hc:ButtonGroup>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml

@@ -2,6 +2,7 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:data="clr-namespace:HandyControlDemo.Data"
              DataContext="{Binding NotifyIconDemo,Source={StaticResource Locator}}"
@@ -12,38 +13,38 @@
                 <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                     <GroupBox Header="ContextMenu" Padding="10">
                         <StackPanel>
-                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{x:Static langs:Lang.Visibility}">
+                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
                                 <ToggleButton IsChecked="{Binding ContextMenuIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
-                            <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextMenuIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{x:Static langs:Lang.Try2CloseApp}" Margin="0,6,0,0"/>
-                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{x:Static langs:Lang.Blink}">
+                            <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextMenuIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{ex:Lang Key={x:Static langs:LangKeys.Try2CloseApp}}" Margin="0,6,0,0"/>
+                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
                                 <ToggleButton IsChecked="{Binding ContextMenuIsBlink}" IsEnabled="{Binding ContextMenuIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                         </StackPanel>
                     </GroupBox>
                     <GroupBox Header="ContextContent" Margin="16,0,0,0" Padding="10">
                         <StackPanel>
-                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{x:Static langs:Lang.Visibility}">
+                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
                                 <ToggleButton IsChecked="{Binding ContextContentIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
-                            <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextContentIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{x:Static langs:Lang.Try2CloseApp}" Margin="0,6,0,0"/>
-                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{x:Static langs:Lang.Blink}">
+                            <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextContentIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{ex:Lang Key={x:Static langs:LangKeys.Try2CloseApp}}" Margin="0,6,0,0"/>
+                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
                                 <ToggleButton IsChecked="{Binding ContextContentIsBlink}" IsEnabled="{Binding ContextContentIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                         </StackPanel>
                     </GroupBox>
                 </StackPanel>
                 <DockPanel Margin="0,16,0,0" LastChildFill="True">
-                    <Button Command="{Binding SendNotificationCmd}" Content="{x:Static langs:Lang.SendNotification}" DockPanel.Dock="Right" HorizontalAlignment="Stretch" Margin="10,0,0,0"/>
+                    <Button Command="{Binding SendNotificationCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.SendNotification}}" DockPanel.Dock="Right" HorizontalAlignment="Stretch" Margin="10,0,0,0"/>
                     <TextBox Text="{Binding Content}"/>
                 </DockPanel>
             </StackPanel>
             <hc:NotifyIcon Token="{x:Static data:MessageToken.NotifyIconDemo}" Text="HandyControl" IsBlink="{Binding ContextMenuIsBlink}" Visibility="{Binding ContextMenuIsShow,Converter={StaticResource Boolean2VisibilityConverter}}">
                 <hc:NotifyIcon.ContextMenu>
                     <ContextMenu>
-                        <MenuItem Command="{Binding SendNotificationCmd}" Header="{x:Static langs:Lang.SendNotification}"/>
-                        <MenuItem Command="hc:ControlCommands.PushMainWindow2Top" Header="{x:Static langs:Lang.OpenPanel}"/>
-                        <MenuItem Command="hc:ControlCommands.ShutdownApp" Header="{x:Static langs:Lang.Exit}"/>
+                        <MenuItem Command="{Binding SendNotificationCmd}" Header="{ex:Lang Key={x:Static langs:LangKeys.SendNotification}}"/>
+                        <MenuItem Command="hc:ControlCommands.PushMainWindow2Top" Header="{ex:Lang Key={x:Static langs:LangKeys.OpenPanel}}"/>
+                        <MenuItem Command="hc:ControlCommands.ShutdownApp" Header="{ex:Lang Key={x:Static langs:LangKeys.Exit}}"/>
                     </ContextMenu>
                 </hc:NotifyIcon.ContextMenu>
                 <hc:Interaction.Triggers>
@@ -61,8 +62,8 @@
                         <StackPanel VerticalAlignment="Center" Margin="16">
                             <Path Width="100" Height="100" Fill="#f06632" Data="{StaticResource LogoGeometry}"/>
                             <StackPanel Margin="0,16,0,0" HorizontalAlignment="Center" Orientation="Horizontal">
-                                <Button Click="ButtonPush_OnClick"  Command="hc:ControlCommands.PushMainWindow2Top" MinWidth="100" Content="{x:Static langs:Lang.OpenPanel}"/>
-                                <Button Command="hc:ControlCommands.ShutdownApp" Margin="16,0,0,0" MinWidth="100" Style="{StaticResource ButtonPrimary}" Content="{x:Static langs:Lang.Exit}"/>
+                                <Button Click="ButtonPush_OnClick"  Command="hc:ControlCommands.PushMainWindow2Top" MinWidth="100" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenPanel}}"/>
+                                <Button Command="hc:ControlCommands.ShutdownApp" Margin="16,0,0,0" MinWidth="100" Style="{StaticResource ButtonPrimary}" Content="{ex:Lang Key={x:Static langs:LangKeys.Exit}}"/>
                             </StackPanel>
                         </StackPanel>
                     </Border>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Orientation="Horizontal">
@@ -11,20 +12,20 @@
                 <hc:NumericUpDown Margin="0,32,0,0" IsEnabled="False"/>
                 <hc:NumericUpDown Margin="0,32,0,0" IsReadOnly="True"/>
 
-                <hc:NumericUpDown hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownExtend}"/>
-                <hc:NumericUpDown hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownExtend}"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:NumericUpDown hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownExtend}"/>
+                <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownExtend}"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:NumericUpDown Name="NumericUpDownCustomVerify" ShowClearButton="True" Style="{StaticResource NumericUpDownPlus}"/>
                 <hc:NumericUpDown Margin="0,32,0,0" IsEnabled="False" Style="{StaticResource NumericUpDownPlus}"/>
                 <hc:NumericUpDown Margin="0,32,0,0" IsReadOnly="True" Style="{StaticResource NumericUpDownPlus}"/>
 
-                <hc:NumericUpDown ShowClearButton="True" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownPlus}"/>
-                <hc:NumericUpDown hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownPlus}"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource NumericUpDownPlus}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown DecimalPlaces="2" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource NumericUpDownPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:NumericUpDown ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownPlus}"/>
+                <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownPlus}"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" Margin="0,32,0,0"/>
+                <hc:NumericUpDown DecimalPlaces="2" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/OutlineTextDemoCtl.xaml

@@ -3,16 +3,17 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Width="400">
-            <hc:OutlineText TextWrapping="Wrap" Fill="{DynamicResource PrimaryTextBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=20}"/>
-            <hc:OutlineText Margin="0,10,0,0" FontSize="30" Fill="{DynamicResource SuccessBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=8}"/>
-            <hc:OutlineText Margin="0,10,0,0" Fill="{DynamicResource PrimaryTextBrush}" FontSize="30" FontStyle="Italic" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=8}"/>
-            <hc:OutlineText Margin="0,10,0,0" TextWrapping="Wrap" TextTrimming="CharacterEllipsis" FontSize="50" StrokeThickness="2" Fill="{DynamicResource DangerBrush}" Stroke="{DynamicResource PrimaryBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
-            <hc:OutlineText Margin="0,10,0,0" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
-            <hc:OutlineText Margin="0,10,0,0" StrokePosition="Outside" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
-            <hc:OutlineText Margin="0,10,0,0" StrokePosition="InSide" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
+            <hc:OutlineText TextWrapping="Wrap" Fill="{DynamicResource PrimaryTextBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=20}"/>
+            <hc:OutlineText Margin="0,10,0,0" FontSize="30" Fill="{DynamicResource SuccessBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=8}"/>
+            <hc:OutlineText Margin="0,10,0,0" Fill="{DynamicResource PrimaryTextBrush}" FontSize="30" FontStyle="Italic" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=8}"/>
+            <hc:OutlineText Margin="0,10,0,0" TextWrapping="Wrap" TextTrimming="CharacterEllipsis" FontSize="50" StrokeThickness="2" Fill="{DynamicResource DangerBrush}" Stroke="{DynamicResource PrimaryBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
+            <hc:OutlineText Margin="0,10,0,0" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
+            <hc:OutlineText Margin="0,10,0,0" StrokePosition="Outside" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
+            <hc:OutlineText Margin="0,10,0,0" StrokePosition="InSide" FontSize="80" FontWeight="Bold" StrokeThickness="4" Fill="{DynamicResource PrimaryBrush}" Stroke="{DynamicResource DangerBrush}" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/PaginationDemoCtl.xaml

@@ -4,7 +4,8 @@
              Background="{DynamicResource RegionBrush}"
              DataContext="{Binding PaginationDemo,Source={StaticResource Locator}}"
              xmlns:hc="https://handyorg.github.io/handycontrol"
-             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs">
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension">
     <hc:TransitioningContentControl>
         <Grid Margin="32">
             <Grid.RowDefinitions>
@@ -25,7 +26,7 @@
                     </DataTemplate>
                 </DataGrid.RowHeaderTemplate>
                 <DataGrid.Columns>
-                    <DataGridTextColumn IsReadOnly="True" Width="80" CanUserResize="False" Binding="{Binding Index}" Header="{x:Static langs:Lang.Index}"/>
+                    <DataGridTextColumn IsReadOnly="True" Width="80" CanUserResize="False" Binding="{Binding Index}" Header="{ex:Lang Key={x:Static langs:LangKeys.Index}}"/>
                     <DataGridTemplateColumn Width="60" CanUserResize="False">
                         <DataGridTemplateColumn.CellTemplate>
                             <DataTemplate>
@@ -33,10 +34,10 @@
                             </DataTemplate>
                         </DataGridTemplateColumn.CellTemplate>
                     </DataGridTemplateColumn>
-                    <DataGridTextColumn Binding="{Binding Name}" Header="{x:Static langs:Lang.Name}"/>
-                    <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{x:Static langs:Lang.Selected}"/>
-                    <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{x:Static langs:Lang.Type}"/>
-                    <DataGridTextColumn Binding="{Binding Remark}" Header="{x:Static langs:Lang.Remark}"/>
+                    <DataGridTextColumn Binding="{Binding Name}" Header="{ex:Lang Key={x:Static langs:LangKeys.Name}}"/>
+                    <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{ex:Lang Key={x:Static langs:LangKeys.Selected}}"/>
+                    <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{ex:Lang Key={x:Static langs:LangKeys.Type}}"/>
+                    <DataGridTextColumn Binding="{Binding Remark}" Header="{ex:Lang Key={x:Static langs:LangKeys.Remark}}"/>
                 </DataGrid.Columns>
             </DataGrid>
         </Grid>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml

@@ -3,17 +3,18 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <hc:PasswordBox ShowClearButton="True" Password="123456"/>
             <hc:PasswordBox Password="123456" Margin="0,16,0,0"/>
 
-            <hc:PasswordBox ShowClearButton="True" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Password="123456" Margin="0,32,0,0"/>
-            <hc:PasswordBox ShowEyeButton="True" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+            <hc:PasswordBox ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Password="123456" Margin="0,32,0,0"/>
+            <hc:PasswordBox ShowEyeButton="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
 
-            <hc:PasswordBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0" Password="123456"/>
-            <hc:PasswordBox ShowClearButton="True" ShowEyeButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+            <hc:PasswordBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Password="123456"/>
+            <hc:PasswordBox ShowClearButton="True" ShowEyeButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/PoptipDemoCtl.xaml

@@ -3,6 +3,7 @@
              Background="{DynamicResource RegionBrush}"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:system="clr-namespace:System;assembly=mscorlib">
     <UserControl.Resources>
@@ -11,14 +12,14 @@
             <Setter Property="Height" Value="40"/>
             <Setter Property="MinWidth" Value="100"/>
             <Setter Property="HorizontalAlignment" Value="Stretch"/>
-            <Setter Property="Content" Value="{Binding Tag,RelativeSource={RelativeSource Self},Converter={StaticResource Int2StringConverter},ConverterParameter={x:Static langs:Lang.PoptipPositionStr}}"/>
+            <Setter Property="Content" Value="{Binding Tag,RelativeSource={RelativeSource Self},Converter={StaticResource Int2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.PoptipPositionStr}}}"/>
         </Style>
         <Style x:Key="ToggleButton4PoptipStyle" BasedOn="{StaticResource {x:Type ToggleButton}}" TargetType="ToggleButton">
             <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
             <Setter Property="Height" Value="40"/>
             <Setter Property="MinWidth" Value="100"/>
             <Setter Property="HorizontalAlignment" Value="Stretch"/>
-            <Setter Property="Content" Value="{Binding Tag,RelativeSource={RelativeSource Self},Converter={StaticResource Int2StringConverter},ConverterParameter={x:Static langs:Lang.PoptipPositionStr}}"/>
+            <Setter Property="Content" Value="{Binding Tag,RelativeSource={RelativeSource Self},Converter={StaticResource Int2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.PoptipPositionStr}}}"/>
         </Style>
     </UserControl.Resources>
     <hc:TransitioningContentControl>
@@ -36,7 +37,7 @@
             <UniformGrid Grid.Column="1" Columns="3">
                 <Button Margin="8,0" Tag="0" Style="{StaticResource Button4PoptipStyle}">
                     <hc:Poptip.Instance>
-                        <hc:Poptip Content="{x:Static langs:Lang.Text}" PlacementType="TopLeft"/>
+                        <hc:Poptip Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" PlacementType="TopLeft"/>
                     </hc:Poptip.Instance>
                 </Button>
                 <Button Margin="8,0" Tag="1" Style="{StaticResource Button4PoptipStyle}">
@@ -48,10 +49,10 @@
                         </hc:Poptip>
                     </hc:Poptip.Instance>
                 </Button>
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="TopRight" Margin="8,0" Tag="2" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="TopRight" Margin="8,0" Tag="2" Style="{StaticResource Button4PoptipStyle}"/>
             </UniformGrid>
             <UniformGrid Grid.Row="1" Grid.Column="2" Rows="3">
-                <ToggleButton hc:Poptip.HitMode="None" hc:Poptip.IsOpen="{Binding IsChecked,RelativeSource={RelativeSource Self}}" hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="RightTop" Margin="8,16" Tag="3" Style="{StaticResource ToggleButton4PoptipStyle}"/>
+                <ToggleButton hc:Poptip.HitMode="None" hc:Poptip.IsOpen="{Binding IsChecked,RelativeSource={RelativeSource Self}}" hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="RightTop" Margin="8,16" Tag="3" Style="{StaticResource ToggleButton4PoptipStyle}"/>
                 <ToggleButton Margin="8,16" Tag="4" Style="{StaticResource ToggleButton4PoptipStyle}">
                     <hc:Poptip.Instance>
                         <hc:Poptip Background="Transparent" Padding="0" BorderThickness="0" HitMode="None" PlacementType="Right" IsOpen="{Binding Target.IsChecked,RelativeSource={RelativeSource Self}}">
@@ -61,17 +62,17 @@
                         </hc:Poptip>
                     </hc:Poptip.Instance>
                 </ToggleButton>
-                <ToggleButton hc:Poptip.HitMode="None" hc:Poptip.IsOpen="{Binding IsChecked,RelativeSource={RelativeSource Self}}" hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="RightBottom" Margin="8,16" Tag="5" Style="{StaticResource ToggleButton4PoptipStyle}"/>
+                <ToggleButton hc:Poptip.HitMode="None" hc:Poptip.IsOpen="{Binding IsChecked,RelativeSource={RelativeSource Self}}" hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="RightBottom" Margin="8,16" Tag="5" Style="{StaticResource ToggleButton4PoptipStyle}"/>
             </UniformGrid>
             <UniformGrid Grid.Column="1" Grid.Row="2" Columns="3">
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="BottomLeft" Margin="8,0" Tag="8" Style="{StaticResource Button4PoptipStyle}"/>
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="Bottom" Margin="8,0" Tag="7" Style="{StaticResource Button4PoptipStyle}"/>
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="BottomRight" Margin="8,0" Tag="6" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="BottomLeft" Margin="8,0" Tag="8" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="Bottom" Margin="8,0" Tag="7" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="BottomRight" Margin="8,0" Tag="6" Style="{StaticResource Button4PoptipStyle}"/>
             </UniformGrid>
             <UniformGrid Grid.Row="1" Grid.Column="0" Rows="3">
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="LeftTop" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="11" Style="{StaticResource Button4PoptipStyle}"/>
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="Left" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="10" Style="{StaticResource Button4PoptipStyle}"/>
-                <Button hc:Poptip.Content="{x:Static langs:Lang.Text}" hc:Poptip.Placement="LeftBottom" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="9" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="LeftTop" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="11" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="Left" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="10" Style="{StaticResource Button4PoptipStyle}"/>
+                <Button hc:Poptip.Content="{ex:Lang Key={x:Static langs:LangKeys.Text}}" hc:Poptip.Placement="LeftBottom" hc:Poptip.HitMode="Focus" Margin="8,16" Tag="9" Style="{StaticResource Button4PoptipStyle}"/>
             </UniformGrid>
         </Grid>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ProgressButtonDemoCtl.xaml

@@ -2,25 +2,26 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <WrapPanel Margin="16" VerticalAlignment="Center">
             <StackPanel Margin="16" Button.Click="ButtonProgress_OnClick">
-                <hc:ProgressButton IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <hc:ProgressButton Style="{StaticResource ProgressButtonPrimary}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <hc:ProgressButton Style="{StaticResource ProgressButtonSuccess}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <hc:ProgressButton Style="{StaticResource ProgressButtonInfo}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <hc:ProgressButton Style="{StaticResource ProgressButtonWarning}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <hc:ProgressButton Style="{StaticResource ProgressButtonDanger}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
+                <hc:ProgressButton IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <hc:ProgressButton Style="{StaticResource ProgressButtonPrimary}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <hc:ProgressButton Style="{StaticResource ProgressButtonSuccess}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <hc:ProgressButton Style="{StaticResource ProgressButtonInfo}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <hc:ProgressButton Style="{StaticResource ProgressButtonWarning}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <hc:ProgressButton Style="{StaticResource ProgressButtonDanger}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Progress="{Binding Progress}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
             </StackPanel>
             <StackPanel Margin="16" Button.Click="ButtonProgress_OnClick">
-                <ToggleButton Style="{StaticResource ToggleButtonLoading}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <ToggleButton Style="{StaticResource ToggleButtonLoadingPrimary}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <ToggleButton Style="{StaticResource ToggleButtonLoadingSuccess}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <ToggleButton Style="{StaticResource ToggleButtonLoadingInfo}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <ToggleButton Style="{StaticResource ToggleButtonLoadingWarning}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
-                <ToggleButton Style="{StaticResource ToggleButtonLoadingDanger}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={x:Static langs:Lang.UploadStr}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoading}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoadingPrimary}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoadingSuccess}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoadingInfo}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoadingWarning}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
+                <ToggleButton Style="{StaticResource ToggleButtonLoadingDanger}" IsChecked="{Binding IsUploading,Mode=TwoWay}" Content="{Binding IsChecked,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2StringConverter},ConverterParameter={ex:Lang Key={x:Static langs:LangKeys.UploadStr}}}" Width="180" Margin="5"/>
             </StackPanel>
         </WrapPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/RunningBlockDemoCtl.xaml

@@ -3,17 +3,18 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              Background="{DynamicResource RegionBrush}"
-             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs">
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" VerticalAlignment="Center">
-            <hc:RunningBlock Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
-            <hc:RunningBlock Runaway="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
-            <hc:RunningBlock HorizontalAlignment="Left" AutoRun="True" Width="100" Runaway="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Duration="0:0:2" Margin="0,16,0,0"/>
-            <hc:RunningBlock HorizontalAlignment="Left" AutoReverse="True" AutoRun="True" Width="100" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
-            <hc:RunningBlock HorizontalAlignment="Left" AutoRun="True" Width="200" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
-            <hc:RunningBlock Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:10" Margin="0,16,0,0"/>
-            <hc:RunningBlock AutoReverse="True" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:10" Margin="0,16,0,0"/>
-            <hc:RunningBlock Orientation="Vertical" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:4" Margin="0,16,0,0"/>
+            <hc:RunningBlock Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
+            <hc:RunningBlock Runaway="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
+            <hc:RunningBlock HorizontalAlignment="Left" AutoRun="True" Width="100" Runaway="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Duration="0:0:2" Margin="0,16,0,0"/>
+            <hc:RunningBlock HorizontalAlignment="Left" AutoReverse="True" AutoRun="True" Width="100" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
+            <hc:RunningBlock HorizontalAlignment="Left" AutoRun="True" Width="200" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}" Margin="0,16,0,0"/>
+            <hc:RunningBlock Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:10" Margin="0,16,0,0"/>
+            <hc:RunningBlock AutoReverse="True" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:10" Margin="0,16,0,0"/>
+            <hc:RunningBlock Orientation="Vertical" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=10}" FontSize="20" FontWeight="Bold" Foreground="OrangeRed" Duration="0:0:4" Margin="0,16,0,0"/>
             <hc:RunningBlock Margin="0,16,0,0" Duration="0:0:20" IsRunning="{Binding IsMouseOver,RelativeSource={RelativeSource Self},Converter={StaticResource Boolean2BooleanReConverter}}">
                 <StackPanel Orientation="Horizontal">
                     <hc:GifImage Uri="/HandyControlDemo;component/Resources/Img/QQ/1.gif" Margin="10,0" Width="30" Height="30"/>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ScreenshotDemoCtl.xaml

@@ -3,8 +3,9 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
-        <Button Content="{x:Static langs:Lang.StartScreenshot}" Command="hc:ControlCommands.StartScreenshot"/>
+        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.StartScreenshot}}" Command="hc:ControlCommands.StartScreenshot"/>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ScrollViewerDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}"
              Width="550"
              Height="600">
@@ -17,27 +18,27 @@
                     <StackPanel Orientation="Horizontal">
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                     </StackPanel>
@@ -48,27 +49,27 @@
                     <WrapPanel Orientation="Horizontal">
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                     </WrapPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/SearchBarDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding SearchBarDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
@@ -11,19 +12,19 @@
                 <hc:SearchBar Command="{Binding SearchCmd}" CommandParameter="{Binding Text,RelativeSource={RelativeSource Self}}"/>
                 <hc:SearchBar Margin="0,32,0,0" IsEnabled="False"/>
 
-                <hc:SearchBar hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Style="{StaticResource SearchBarExtend}"/>
-                <hc:SearchBar hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarExtend}"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource SearchBarExtend}" Margin="0,32,0,0"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource SearchBarExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:SearchBar hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource SearchBarExtend}"/>
+                <hc:SearchBar hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarExtend}"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" Margin="0,32,0,0"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:SearchBar Name="SearchBarCustomVerify" ShowClearButton="True" Style="{StaticResource SearchBarPlus}"/>
                 <hc:SearchBar Margin="0,32,0,0" IsEnabled="False" Style="{StaticResource SearchBarPlus}"/>
 
-                <hc:SearchBar ShowClearButton="True" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Style="{StaticResource SearchBarPlus}"/>
-                <hc:SearchBar TextType="Mail" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterEmail}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarPlus}"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource SearchBarPlus}" Margin="0,32,0,0"/>
-                <hc:SearchBar ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:SearchBar ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource SearchBarPlus}"/>
+                <hc:SearchBar TextType="Mail" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterEmail}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarPlus}"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" Margin="0,32,0,0"/>
+                <hc:SearchBar ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/SplitButtonDemoCtl.xaml

@@ -3,34 +3,35 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:userControl="clr-namespace:HandyControlDemo.UserControl"
              DataContext="{Binding SplitButtonDemo,Source={StaticResource Locator}}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" VerticalAlignment="Center">
-            <hc:SplitButton Margin="0,0,0,10" Content="{x:Static langs:Lang.Default}" Command="{Binding SelectCmd}" CommandParameter="Command0" HorizontalAlignment="Stretch">
+            <hc:SplitButton Margin="0,0,0,10" Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Command="{Binding SelectCmd}" CommandParameter="Command0" HorizontalAlignment="Stretch">
                 <hc:SplitButton.DropDownContent>
                     <StackPanel>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
                     </StackPanel>
                 </hc:SplitButton.DropDownContent>
             </hc:SplitButton>
-            <hc:SplitButton Style="{StaticResource SplitButtonPrimary}" Margin="0,0,0,10" Content="{x:Static langs:Lang.Primary}" Command="{Binding SelectCmd}" CommandParameter="Command0" HorizontalAlignment="Stretch">
+            <hc:SplitButton Style="{StaticResource SplitButtonPrimary}" Margin="0,0,0,10" Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Command="{Binding SelectCmd}" CommandParameter="Command0" HorizontalAlignment="Stretch">
                 <hc:SplitButton.DropDownContent>
                     <StackPanel>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
                     </StackPanel>
                 </hc:SplitButton.DropDownContent>
             </hc:SplitButton>
-            <hc:SplitButton Style="{StaticResource SplitButtonWarning}" Margin="0,0,0,10" Content="{x:Static langs:Lang.Warning}" HitMode="Hover" HorizontalAlignment="Stretch">
+            <hc:SplitButton Style="{StaticResource SplitButtonWarning}" Margin="0,0,0,10" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" HitMode="Hover" HorizontalAlignment="Stretch">
                 <hc:SplitButton.DropDownContent>
                     <StackPanel>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
-                        <MenuItem Header="{x:Static langs:Lang.Title}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command1"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command2"/>
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" Command="{Binding SelectCmd}" CommandParameter="Command3"/>
                     </StackPanel>
                 </hc:SplitButton.DropDownContent>
             </hc:SplitButton>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/SpriteDemoCtl.xaml

@@ -3,10 +3,11 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding SpriteDemo,Source={StaticResource Locator}}"
              Width="300"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
-        <Button Margin="32" Command="{Binding OpenCmd}" Content="{x:Static langs:Lang.OpenSprite}"/>
+        <Button Margin="32" Command="{Binding OpenCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenSprite}}"/>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/StepBarDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding StepBarDemo,Source={StaticResource Locator}}"
              FocusManager.FocusedElement="{Binding RelativeSource={x:Static RelativeSource.Self}, Mode=OneTime}"
              Background="{DynamicResource RegionBrush}">
@@ -19,20 +20,20 @@
                 <ColumnDefinition/>
             </Grid.ColumnDefinitions>
             <hc:StepBar Grid.ColumnSpan="2" StepIndex="{Binding StepIndex}">
-                <hc:StepBarItem Content="{x:Static langs:Lang.Register}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.BasicInfo}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.UploadFile}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.Complete}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.Register}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.BasicInfo}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.UploadFile}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.Complete}}"/>
             </hc:StepBar>
             <StackPanel Margin="0,32" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" HorizontalAlignment="Center">
-                <Button Command="{Binding PrevCmd}" CommandParameter="{Binding ElementName=PanelMain}" Width="180" Content="{x:Static langs:Lang.Prev}" Style="{StaticResource ButtonPrimary}"/>
-                <Button Command="{Binding NextCmd}" CommandParameter="{Binding ElementName=PanelMain}" Width="180" Margin="0,16,0,0" Content="{x:Static langs:Lang.Next}" Style="{StaticResource ButtonPrimary}"/>
+                <Button Command="{Binding PrevCmd}" CommandParameter="{Binding ElementName=PanelMain}" Width="180" Content="{ex:Lang Key={x:Static langs:LangKeys.Prev}}" Style="{StaticResource ButtonPrimary}"/>
+                <Button Command="{Binding NextCmd}" CommandParameter="{Binding ElementName=PanelMain}" Width="180" Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.Next}}" Style="{StaticResource ButtonPrimary}"/>
             </StackPanel>
             <hc:StepBar Margin="0,0,0,32" Grid.Column="0" Grid.Row="2" Grid.ColumnSpan="2" Dock="Bottom">
-                <hc:StepBarItem Content="{x:Static langs:Lang.Register}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.BasicInfo}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.UploadFile}"/>
-                <hc:StepBarItem Content="{x:Static langs:Lang.Complete}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.Register}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.BasicInfo}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.UploadFile}}"/>
+                <hc:StepBarItem Content="{ex:Lang Key={x:Static langs:LangKeys.Complete}}"/>
             </hc:StepBar>
             <hc:StepBar Grid.Column="0" Grid.Row="3" ItemsSource="{Binding DataList}" Dock="Left">
                 <hc:StepBar.ItemTemplate>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/TagDemoCtl.xaml

@@ -3,19 +3,20 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <hc:TagPanel AddTagButtonClick="TagPanel_OnAddTagButtonClick" Margin="32" Orientation="Horizontal" MaxWidth="400" VerticalAlignment="Center" ShowAddButton="True">
-            <hc:Tag ShowCloseButton="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
-            <hc:Tag Selectable="True" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
-            <hc:Tag ShowCloseButton="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
-            <hc:Tag Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
-            <hc:Tag IsSelected="True" Selectable="True" ShowCloseButton="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
-            <hc:Tag Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
-            <hc:Tag ShowCloseButton="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
-            <hc:Tag IsSelected="True" Selectable="True" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
-            <hc:Tag ShowCloseButton="False" Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
-            <hc:Tag Content="{Binding Source={x:Static langs:Lang.Text}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
+            <hc:Tag ShowCloseButton="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
+            <hc:Tag Selectable="True" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
+            <hc:Tag ShowCloseButton="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
+            <hc:Tag Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
+            <hc:Tag IsSelected="True" Selectable="True" ShowCloseButton="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
+            <hc:Tag Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
+            <hc:Tag ShowCloseButton="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=2}"/>
+            <hc:Tag IsSelected="True" Selectable="True" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=3}"/>
+            <hc:Tag ShowCloseButton="False" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=4}"/>
+            <hc:Tag Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}}, Converter={StaticResource StringRepeatConverter}, ConverterParameter=5}"/>
         </hc:TagPanel>   
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/TextBoxDemoCtl.xaml

@@ -3,16 +3,17 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
-            <hc:TextBox ShowClearButton="True" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <hc:TextBox Text="{x:Static langs:Lang.ContentDemoStr}" Margin="0,16,0,0" IsEnabled="False"/>
+            <hc:TextBox ShowClearButton="True" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <hc:TextBox Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" Margin="0,16,0,0" IsEnabled="False"/>
 
-            <hc:TextBox ShowClearButton="True" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <hc:TextBox TextType="Mail" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterEmail}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            <hc:TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <hc:TextBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:TextBox ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <hc:TextBox TextType="Mail" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterEmail}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <hc:TextBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/TimePickerDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Orientation="Horizontal">
@@ -10,11 +11,11 @@
                 <hc:TimePicker ShowClearButton="True"/>
                 <hc:TimePicker Margin="0,16,0,0" IsEnabled="False"/>
 
-                <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-                <hc:TimePicker hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+                <hc:TimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerPlus}">
@@ -24,11 +25,11 @@
                 </hc:TimePicker>
                 <hc:TimePicker Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource TimePickerPlus}"/>
 
-                <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-                <hc:TimePicker hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+                <hc:TimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/WaterfallPanelDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <Grid Margin="32">
@@ -10,43 +11,43 @@
                 <RowDefinition Height="Auto"/>
                 <RowDefinition/>
             </Grid.RowDefinitions>
-            <hc:NumericUpDown x:Name="UpDownGroups" HorizontalAlignment="Center" Value="2" Minimum="1" Maximum="3" Width="200" Style="{StaticResource NumericUpDownExtend}" hc:TitleElement.Title="{x:Static langs:Lang.Groups}" hc:TitleElement.TitleWidth="50" hc:TitleElement.TitleAlignment="Left"/>
+            <hc:NumericUpDown x:Name="UpDownGroups" HorizontalAlignment="Center" Value="2" Minimum="1" Maximum="3" Width="200" Style="{StaticResource NumericUpDownExtend}" hc:TitleElement.Title="{ex:Lang Key={x:Static langs:LangKeys.Groups}}" hc:TitleElement.TitleWidth="50" hc:TitleElement.TitleAlignment="Left"/>
             <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,16,0,0">
                 <hc:ScrollViewer MaxHeight="300">
                     <hc:WaterfallPanel VerticalAlignment="Center" Width="300" Groups="{Binding Value,ElementName=UpDownGroups}" hc:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}">
                         <Border Height="100" Background="{DynamicResource PrimaryBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Height="140" Background="{DynamicResource DangerBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Height="100" Background="{DynamicResource SuccessBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Height="170" Background="{DynamicResource InfoBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Height="100" Background="{DynamicResource WarningBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                     </hc:WaterfallPanel>
                 </hc:ScrollViewer>
                 <hc:ScrollViewer Margin="32,0,0,0" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Hidden" Orientation="Horizontal" MaxWidth="300">
                     <hc:WaterfallPanel VerticalAlignment="Center" Height="300" Orientation="Vertical" Groups="{Binding Value,ElementName=UpDownGroups}" hc:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}">
                         <Border Width="100" Background="{DynamicResource PrimaryBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Width="140" Background="{DynamicResource DangerBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Width="100" Background="{DynamicResource SuccessBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Width="170" Background="{DynamicResource InfoBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                         <Border Width="100" Background="{DynamicResource WarningBrush}" Effect="{StaticResource EffectShadow1}" Margin="5">
-                            <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                         </Border>
                     </hc:WaterfallPanel>
                 </hc:ScrollViewer>

src/Shared/HandyControlDemo_Shared/UserControl/Controls/WindowDemoCtl.xaml

@@ -3,21 +3,22 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:data="clr-namespace:HandyControlDemo.Data"
              DataContext="{Binding WindowDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <UniformGrid Margin="32" Columns="3" Rows="3" Height="200">
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.CommonWindow}" Content="{x:Static langs:Lang.OpenCommonWindow}"/>
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.BlurWindow}" Content="{x:Static langs:Lang.OpenBlurWindow}"/>
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.CustomNonClientAreaWindow}" Content="{x:Static langs:Lang.OpenCustomNonClientAreaWindow}"/>
-            <Button Click="ButtonMessage_OnClick" Content="{x:Static langs:Lang.OpenMessageWindow}"/>
-            <Button Click="ButtonCustomMessage_OnClick" Content="{x:Static langs:Lang.OpenCustomMessageWindow}"/>
-            <Button Click="ButtonCustomContent_OnClick" Content="{x:Static langs:Lang.OpenCustomContentWindow}"/>
-            <Button Name="ButtonMouseFollow" Click="ButtonMouseFollow_OnClick" Content="{x:Static langs:Lang.OpenMouseFollowWindow}"/>
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NoNonClientAreaDragableWindow}" Content="{x:Static langs:Lang.OpenNoNonClientAreaDragableWindow}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.CommonWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenCommonWindow}}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.BlurWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenBlurWindow}}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.CustomNonClientAreaWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenCustomNonClientAreaWindow}}"/>
+            <Button Click="ButtonMessage_OnClick" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenMessageWindow}}"/>
+            <Button Click="ButtonCustomMessage_OnClick" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenCustomMessageWindow}}"/>
+            <Button Click="ButtonCustomContent_OnClick" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenCustomContentWindow}}"/>
+            <Button Name="ButtonMouseFollow" Click="ButtonMouseFollow_OnClick" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenMouseFollowWindow}}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NoNonClientAreaDragableWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenNoNonClientAreaDragableWindow}}"/>
             <hc:Badge Text="New" Style="{StaticResource BadgeDanger}" VerticalAlignment="Center" HorizontalAlignment="Center" BadgeMargin="0,-10,-20,0">
-                <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.GlowWindow}" Content="{x:Static langs:Lang.OpenGlowWindow}"/>
+                <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.GlowWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenGlowWindow}}"/>
             </hc:Badge>
         </UniformGrid>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Main/LeftMainContent.xaml

@@ -4,6 +4,7 @@
         Background="{DynamicResource RegionBrush}"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         Margin="16"
         CornerRadius="10"
@@ -25,7 +26,7 @@
         </Style>
     </Border.Resources>
     <DockPanel>
-        <Button Command="{Binding OpenPracticalDemoCmd}" DockPanel.Dock="Top" HorizontalAlignment="Stretch" Margin="10,10,10,4" Content="{x:Static langs:Lang.PracticalDemos}" BorderThickness="0" Background="{DynamicResource SecondaryRegionBrush}"/>
+        <Button Command="{Binding OpenPracticalDemoCmd}" DockPanel.Dock="Top" HorizontalAlignment="Stretch" Margin="10,10,10,4" Content="{ex:Lang Key={x:Static langs:LangKeys.PracticalDemos}}" BorderThickness="0" Background="{DynamicResource SecondaryRegionBrush}"/>
         <TabControl SelectionChanged="TabControl_OnSelectionChanged" ItemContainerStyle="{StaticResource TabItemTransparent}" ItemsSource="{Binding DemoInfoList}" Style="{StaticResource TabControlInLine}" Background="Transparent" SelectedIndex="0">
             <TabControl.ItemTemplate>
                 <DataTemplate>
@@ -43,7 +44,7 @@
                             <ColumnDefinition/>
                             <ColumnDefinition Width="Auto"/>
                         </Grid.ColumnDefinitions>
-                        <hc:SearchBar SearchStarted="SearchBar_OnSearchStarted" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterKey}" Margin="0,4,4,4" Tag="{Binding ElementName=ListBoxDemo}"/>
+                        <hc:SearchBar SearchStarted="SearchBar_OnSearchStarted" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterKey}}" Margin="0,4,4,4" Tag="{Binding ElementName=ListBoxDemo}"/>
                         <ToggleButton Tag="{Binding ElementName=ListBoxDemo}" Name="ButtonStyleAscending" Click="ButtonAscending_OnClick" Grid.Row="0" Grid.Column="1" Style="{StaticResource DemoInfoSortButtonStyle}"/>
                         <ListBox Name="ListBoxDemo" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="1" VirtualizingStackPanel.IsVirtualizing="True" SelectedIndex="{Binding SelectedIndex}" ItemsSource="{Binding DemoItemList}" BorderThickness="0" SelectionMode="Single" Style="{StaticResource ListBoxTransparent}">
                             <ListBox.ItemTemplate>

src/Shared/HandyControlDemo_Shared/UserControl/Main/NoUserContent.xaml

@@ -2,6 +2,7 @@
       xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
       xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+      xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
       Height="29"
       DataContext="{Binding NoUser,Source={StaticResource Locator}}"
       xmlns:hc="https://handyorg.github.io/handycontrol"
@@ -12,7 +13,7 @@
     </Grid.ColumnDefinitions>
     <StackPanel VerticalAlignment="Stretch" Orientation="Horizontal">
         <Menu Margin="10,0,0,0" Background="Transparent">
-            <MenuItem Height="29" Header="{x:Static langs:Lang.Repository}">
+            <MenuItem Height="29" Header="{ex:Lang Key={x:Static langs:LangKeys.Repository}}">
                 <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://github.com/NaBian/HandyControl" Header="GitHub">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource GithubGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
@@ -23,39 +24,39 @@
                         <Path Data="{StaticResource NugetGeometry}" Fill="#30a5dd"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://marketplace.visualstudio.com/items?itemName=HandyOrg.handycontrolforvs2019" Header="{x:Static langs:Lang.Vsix}">
+                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://marketplace.visualstudio.com/items?itemName=HandyOrg.handycontrolforvs2019" Header="{ex:Lang Key={x:Static langs:LangKeys.Vsix}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource VisualStudioGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
             </MenuItem>
-            <MenuItem Height="29" Header="{x:Static langs:Lang.About}">
-                <MenuItem Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.ContributorsView}" Header="{x:Static langs:Lang.Contributors}">
+            <MenuItem Height="29" Header="{ex:Lang Key={x:Static langs:LangKeys.About}}">
+                <MenuItem Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.ContributorsView}" Header="{ex:Lang Key={x:Static langs:LangKeys.Contributors}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource ContributorsGeometry}" Fill="#ef6c00"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.QQGroupView}" Header="{x:Static langs:Lang.QQGroup}">
+                <MenuItem Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.QQGroupView}" Header="{ex:Lang Key={x:Static langs:LangKeys.QQGroup}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource QqGeometry}" Fill="{DynamicResource PrimaryBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="mailto:836904362@qq.com" Header="{x:Static langs:Lang.Email}">
+                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="mailto:836904362@qq.com" Header="{ex:Lang Key={x:Static langs:LangKeys.Email}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource EmailGeometry}" Fill="{DynamicResource WarningBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://gitter.im/HandyControl/Lobby" Header="{x:Static langs:Lang.Chatroom}">
+                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://gitter.im/HandyControl/Lobby" Header="{ex:Lang Key={x:Static langs:LangKeys.Chatroom}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource GitterGeometry}" Fill="#e52e64"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://www.cnblogs.com/nabian" Header="{x:Static langs:Lang.Blog}">
+                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://www.cnblogs.com/nabian" Header="{ex:Lang Key={x:Static langs:LangKeys.Blog}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource CnblogsGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Header="{x:Static langs:Lang.Demo}">
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Demo}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource CodeGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                     </MenuItem.Icon>
@@ -65,7 +66,7 @@
                         </MenuItem.Icon>
                     </MenuItem>
                 </MenuItem>
-                <MenuItem Header="{x:Static langs:Lang.Documentation}">
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Documentation}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource DocGeometry}" Fill="{DynamicResource PrimaryBrush}"/>
                     </MenuItem.Icon>
@@ -74,35 +75,35 @@
                             <Path Data="{StaticResource WikiGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                         </MenuItem.Icon>
                     </MenuItem>
-                    <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://ghost1372.github.io" Header="{x:Static langs:Lang.Doc_en}">
+                    <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://ghost1372.github.io" Header="{ex:Lang Key={x:Static langs:LangKeys.Doc_en}}">
                         <MenuItem.Icon>
                             <Path Data="{StaticResource LogoGeometry}" Fill="#ef6c00"/>
                         </MenuItem.Icon>
                     </MenuItem>
-                    <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://handyorg.github.io" Header="{x:Static langs:Lang.Doc_cn}">
+                    <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://handyorg.github.io" Header="{ex:Lang Key={x:Static langs:LangKeys.Doc_cn}}">
                         <MenuItem.Icon>
                             <Path Data="{StaticResource LogoGeometry}" Fill="#ef6c00"/>
                         </MenuItem.Icon>
                     </MenuItem>
                 </MenuItem>
-                <MenuItem Header="{x:Static langs:Lang.About}" Click="MenuAbout_OnClick">
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.About}}" Click="MenuAbout_OnClick">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource InfoGeometry}" Fill="{DynamicResource SuccessBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
             </MenuItem>
-            <MenuItem Height="29" Header="{x:Static langs:Lang.Recommendation}">
-                <MenuItem Header="{x:Static langs:Lang.Project}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.ProjectsView}" >
+            <MenuItem Height="29" Header="{ex:Lang Key={x:Static langs:LangKeys.Recommendation}}">
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Project}}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.ProjectsView}" >
                     <MenuItem.Icon>
                         <Path Data="{StaticResource ProjectGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Header="{x:Static langs:Lang.Blog}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.BlogsView}" >
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Blog}}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.BlogsView}" >
                     <MenuItem.Icon>
                         <Path Data="{StaticResource BlogGeometry}" Fill="{DynamicResource PrimaryBrush}"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Header="{x:Static langs:Lang.Website}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.WebsitesView}" >
+                <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Website}}" Command="{Binding OpenViewCmd}" CommandParameter="{x:Static data:MessageToken.WebsitesView}" >
                     <MenuItem.Icon>
                         <Path Data="{StaticResource WebsiteGeometry}" Fill="{DynamicResource WarningBrush}"/>
                     </MenuItem.Icon>

src/Shared/HandyControlDemo_Shared/UserControl/Main/NoUserContent.xaml.cs

@@ -1,9 +1,11 @@
 using System.Diagnostics;
+using System.Globalization;
 using System.Windows;
 using System.Windows.Controls;
 using HandyControl.Controls;
 using HandyControl.Data;
 using HandyControlDemo.Data;
+using HandyControlDemo.Properties.Langs;
 using HandyControlDemo.Window;
 
 namespace HandyControlDemo.UserControl
@@ -26,10 +28,12 @@ namespace HandyControlDemo.UserControl
                     if (!b) return true;
                     GlobalData.Config.Lang = tag;
                     GlobalData.Save();
-                    var processModule = Process.GetCurrentProcess().MainModule;
-                    if (processModule != null)
-                        Process.Start(processModule.FileName);
-                    Application.Current.Shutdown();
+
+                    LangDecorator.Culture = new CultureInfo(tag);
+                    //var processModule = Process.GetCurrentProcess().MainModule;
+                    //if (processModule != null)
+                    //    Process.Start(processModule.FileName);
+                    //Application.Current.Shutdown();
                     return true;
                 });
             }

src/Shared/HandyControlDemo_Shared/UserControl/Main/UnderConstruction.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
        <StackPanel Margin="32">
@@ -11,7 +12,7 @@
                     <BitmapImage UriSource="/HandyControlDemo;component/Resources/Img/under_construction.gif"/>
                 </hc:GifImage.Source>
             </hc:GifImage>
-           <TextBlock Margin="0,16,0,0" HorizontalAlignment="Center" Text="{x:Static langs:Lang.ComingSoon}" Style="{StaticResource TextBlockLargeBold}"/>
+           <TextBlock Margin="0,16,0,0" HorizontalAlignment="Center" Text="{ex:Lang Key={x:Static langs:LangKeys.ComingSoon}}" Style="{StaticResource TextBlockLargeBold}"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/BorderDemoCtl.xaml

@@ -3,37 +3,38 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <UniformGrid Margin="32,32,0,0" Columns="3" Rows="2">
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="0,0,32,32">
                 <Border Background="{DynamicResource PrimaryBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                 </Border>
             </Border>
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="0,0,32,32" Effect="{StaticResource EffectShadow1}">
                 <Border Background="{DynamicResource InfoBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                 </Border>
             </Border>
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="0,0,32,32" Effect="{StaticResource EffectShadow2}">
                 <Border Background="{DynamicResource WarningBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                 </Border>
             </Border>
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200"  Margin="0,0,32,32" Effect="{StaticResource EffectShadow3}">
                 <Border Background="{DynamicResource DangerBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                 </Border>
             </Border>
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200"  Margin="0,0,32,32" Effect="{StaticResource EffectShadow4}">
                 <Border Background="{DynamicResource AccentBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                 </Border>
             </Border>
             <Border Style="{StaticResource BorderRegion}" Width="200" Height="200"  Margin="0,0,32,32" Effect="{StaticResource EffectShadow5}">
                 <Border Background="{DynamicResource BorderBrush}">
-                    <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center"/>
+                    <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                 </Border>
             </Border>
         </UniformGrid>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ButtonDemoCtl.xaml

@@ -3,38 +3,39 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <hc:ScrollViewer IsInertiaEnabled="True">
             <StackPanel Margin="32">
                 <WrapPanel ItemWidth="160" ItemHeight="130">
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Default}" Margin="5"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Default}" Margin="5"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Primary}" Margin="5" Style="{StaticResource ButtonPrimary}"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Primary}" Margin="5" Style="{StaticResource ButtonPrimary}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" Style="{StaticResource ButtonPrimary}"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" Style="{StaticResource ButtonPrimary}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ButtonPrimary"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ButtonSuccess"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource ButtonInfo}"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource ButtonInfo}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource ButtonInfo}"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource ButtonInfo}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ButtonInfo"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ButtonWarning}"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ButtonWarning}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ButtonWarning}"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ButtonWarning}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ButtonWarning"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource ButtonDanger}"/>
-                        <Button IsEnabled="False" Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource ButtonDanger}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource ButtonDanger}"/>
+                        <Button IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource ButtonDanger}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ButtonDanger"/>
                     </StackPanel>
                 </WrapPanel>
@@ -45,13 +46,13 @@
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="Default（DeleteGeometry）"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Clock}" Margin="5" Style="{StaticResource ButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
-                        <Button Content="{x:Static langs:Lang.Clock}" IsEnabled="False" Margin="5" Style="{StaticResource ButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Clock}}" Margin="5" Style="{StaticResource ButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Clock}}" IsEnabled="False" Margin="5" Style="{StaticResource ButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="ButtonPrimary（ClockGeometry）"/>
                     </StackPanel>
                     <StackPanel>
-                        <Button Content="{x:Static langs:Lang.Calendar}" Margin="5" Style="{StaticResource ButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
-                        <Button Content="{x:Static langs:Lang.Calendar}" IsEnabled="False" Margin="5" Style="{StaticResource ButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Calendar}}" Margin="5" Style="{StaticResource ButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
+                        <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Calendar}}" IsEnabled="False" Margin="5" Style="{StaticResource ButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="ButtonSuccess（CalendarGeometry）"/>
                     </StackPanel>
                     <StackPanel>
@@ -72,8 +73,8 @@
                 </WrapPanel>
                 <WrapPanel ItemWidth="160" ItemHeight="130">
                     <StackPanel>
-                        <Button Margin="5" Height="28" Padding="10,0" Background="#24292e" Foreground="White" Content="{x:Static langs:Lang.ButtonCustom}" Style="{StaticResource ButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
-                        <Button Margin="5" Height="28" IsEnabled="False" Padding="10,0" Background="#24292e" Foreground="White" Content="{x:Static langs:Lang.ButtonCustom}" Style="{StaticResource ButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
+                        <Button Margin="5" Height="28" Padding="10,0" Background="#24292e" Foreground="White" Content="{ex:Lang Key={x:Static langs:LangKeys.ButtonCustom}}" Style="{StaticResource ButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
+                        <Button Margin="5" Height="28" IsEnabled="False" Padding="10,0" Background="#24292e" Foreground="White" Content="{ex:Lang Key={x:Static langs:LangKeys.ButtonCustom}}" Style="{StaticResource ButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
                         <TextBlock TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="ButtonCustom"/>
                     </StackPanel>
                     <StackPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/CheckBoxDemoCtl.xaml

@@ -3,16 +3,17 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}"
              Width="400">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" HorizontalAlignment="Center" VerticalAlignment="Center">
-            <CheckBox Content="{x:Static langs:Lang.CheckBox}" IsChecked="True"/>
-            <CheckBox Margin="0,16,0,0" Content="{x:Static langs:Lang.CheckBox}" IsChecked="True" IsEnabled="False"/>
-            <CheckBox Margin="0,16,0,0" Content="{x:Static langs:Lang.CheckBox}"/>
-            <CheckBox Margin="0,16,0,0" Content="{x:Static langs:Lang.CheckBox}" IsEnabled="False"/>
-            <CheckBox Margin="0,16,0,0" Content="{x:Static langs:Lang.CheckBox}" IsChecked="{x:Null}"/>
-            <CheckBox Margin="0,16,0,0" Content="{x:Static langs:Lang.CheckBox}" IsChecked="{x:Null}" IsEnabled="False"/>
+            <CheckBox Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}" IsChecked="True"/>
+            <CheckBox Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}" IsChecked="True" IsEnabled="False"/>
+            <CheckBox Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}"/>
+            <CheckBox Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}" IsEnabled="False"/>
+            <CheckBox Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}" IsChecked="{x:Null}"/>
+            <CheckBox Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.CheckBox}}" IsChecked="{x:Null}" IsEnabled="False"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/DataGridDemoCtl.xaml

@@ -4,10 +4,11 @@
              Background="{DynamicResource RegionBrush}"
              MaxWidth="800"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <TabControl Style="{StaticResource TabControlInLine}">
-            <TabItem Header="{x:Static langs:Lang.Common}">
+            <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Common}}">
                 <DataGrid HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}">
                     <DataGrid.RowHeaderTemplate>
                         <DataTemplate>
@@ -15,7 +16,7 @@
                         </DataTemplate>
                     </DataGrid.RowHeaderTemplate>
                     <DataGrid.Columns>
-                        <DataGridTextColumn IsReadOnly="True" Width="80" CanUserResize="False" Binding="{Binding Index}" Header="{x:Static langs:Lang.Index}"/>
+                        <DataGridTextColumn IsReadOnly="True" Width="80" CanUserResize="False" Binding="{Binding Index}" Header="{ex:Lang Key={x:Static langs:LangKeys.Index}}"/>
                         <DataGridTemplateColumn Width="60" CanUserResize="False">
                             <DataGridTemplateColumn.CellTemplate>
                                 <DataTemplate>
@@ -23,14 +24,14 @@
                                 </DataTemplate>
                             </DataGridTemplateColumn.CellTemplate>
                         </DataGridTemplateColumn>
-                        <DataGridTextColumn Binding="{Binding Name}" Header="{x:Static langs:Lang.Name}"/>
-                        <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{x:Static langs:Lang.Selected}"/>
-                        <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{x:Static langs:Lang.Type}"/>
-                        <DataGridTextColumn Binding="{Binding Remark}" Header="{x:Static langs:Lang.Remark}"/>
+                        <DataGridTextColumn Binding="{Binding Name}" Header="{ex:Lang Key={x:Static langs:LangKeys.Name}}"/>
+                        <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{ex:Lang Key={x:Static langs:LangKeys.Selected}}"/>
+                        <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{ex:Lang Key={x:Static langs:LangKeys.Type}}"/>
+                        <DataGridTextColumn Binding="{Binding Remark}" Header="{ex:Lang Key={x:Static langs:LangKeys.Remark}}"/>
                     </DataGrid.Columns>
                 </DataGrid>
             </TabItem>
-            <TabItem Header="{x:Static langs:Lang.ShowRowNumber}">
+            <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.ShowRowNumber}}">
                 <DataGrid HeadersVisibility="All" RowHeaderWidth="60" AutoGenerateColumns="False" ItemsSource="{Binding DataList}" hc:DataGridAttach.ShowRowNumber="True">
                     <DataGrid.Columns>
                         <DataGridTemplateColumn Width="60" CanUserResize="False">
@@ -40,10 +41,10 @@
                                 </DataTemplate>
                             </DataGridTemplateColumn.CellTemplate>
                         </DataGridTemplateColumn>
-                        <DataGridTextColumn Binding="{Binding Name}" Header="{x:Static langs:Lang.Name}"/>
-                        <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{x:Static langs:Lang.Selected}"/>
-                        <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{x:Static langs:Lang.Type}"/>
-                        <DataGridTextColumn Binding="{Binding Remark}" Header="{x:Static langs:Lang.Remark}"/>
+                        <DataGridTextColumn Binding="{Binding Name}" Header="{ex:Lang Key={x:Static langs:LangKeys.Name}}"/>
+                        <DataGridCheckBoxColumn Width="100" CanUserResize="False" Binding="{Binding IsSelected}" Header="{ex:Lang Key={x:Static langs:LangKeys.Selected}}"/>
+                        <DataGridComboBoxColumn ItemsSource="{Binding Source={StaticResource DemoTypes}}" Width="100" CanUserResize="False" SelectedValueBinding="{Binding Type}" Header="{ex:Lang Key={x:Static langs:LangKeys.Type}}"/>
+                        <DataGridTextColumn Binding="{Binding Remark}" Header="{ex:Lang Key={x:Static langs:LangKeys.Remark}}"/>
                     </DataGrid.Columns>
                 </DataGrid>
             </TabItem>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ExpanderDemoCtl.xaml

@@ -3,19 +3,20 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" VerticalAlignment="Center" Width="240">
-            <Expander Header="{x:Static langs:Lang.Title}">
+            <Expander Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}">
                 <Border Height="100" BorderThickness="1,0,1,1" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource SecondaryRegionBrush}" CornerRadius="0,0,4,4"/>
             </Expander>
-            <Expander Margin="0,4,0,0" Header="{x:Static langs:Lang.Title}">
+            <Expander Margin="0,4,0,0" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}">
                 <Border Height="100" BorderThickness="1,0,1,1" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource SecondaryRegionBrush}" CornerRadius="0,0,4,4"/>
             </Expander>
-            <Expander Margin="0,4,0,0" Header="{x:Static langs:Lang.Title}">
+            <Expander Margin="0,4,0,0" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}">
                 <Border Height="100" BorderThickness="1,0,1,1" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource SecondaryRegionBrush}" CornerRadius="0,0,4,4"/>
             </Expander>
-            <Expander Margin="0,4,0,0" Header="{x:Static langs:Lang.Title}">
+            <Expander Margin="0,4,0,0" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}">
                 <Border Height="100" BorderThickness="1,0,1,1" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource SecondaryRegionBrush}" CornerRadius="0,0,4,4"/>
             </Expander>
         </StackPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/FlowDocumentDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <UserControl.Resources>
         <FlowDocument x:Key="FlowDocumentDemo" x:Shared="False" ColumnWidth="400" IsOptimalParagraphEnabled="True" IsHyphenationEnabled="True">
@@ -99,13 +100,13 @@
     </UserControl.Resources>
     <hc:TransitioningContentControl>
         <TabControl Style="{StaticResource TabControlInLine}">
-            <TabItem Header="{x:Static langs:Lang.FlowDocumentScrollViewer}">
+            <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.FlowDocumentScrollViewer}}">
                 <FlowDocumentScrollViewer Document="{StaticResource FlowDocumentDemo}" IsToolBarVisible="True" Width="640" Height="400" Margin="32"/>
             </TabItem>
-            <TabItem Header="{x:Static langs:Lang.FlowDocumentPageViewer}">
+            <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.FlowDocumentPageViewer}}">
                 <FlowDocumentPageViewer Document="{StaticResource FlowDocumentDemo}" Width="640" Height="400" Margin="32"/>
             </TabItem>
-            <TabItem Header="{x:Static langs:Lang.FlowDocumentReader}">
+            <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.FlowDocumentReader}}">
                 <FlowDocumentReader Document="{StaticResource FlowDocumentDemo}" Width="640" Height="400" Margin="32"/>
             </TabItem>
         </TabControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/GroupBoxDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <ScrollViewer>
@@ -17,30 +18,30 @@
                     <ColumnDefinition/>
                     <ColumnDefinition/>
                 </Grid.ColumnDefinitions>
-                <GroupBox Grid.Row="0" Grid.Column="0" Width="300" Height="200" Header="{x:Static langs:Lang.TitleDemoStr1}" Padding="10" Margin="16">
+                <GroupBox Grid.Row="0" Grid.Column="0" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
-                        <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                        <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="0" Grid.Column="1" Width="300" Height="200" Header="{x:Static langs:Lang.TitleDemoStr1}" Padding="10" Margin="16" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="0" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" hc:TitleElement.TitleAlignment="Left">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
-                        <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                        <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="1" Grid.Column="0" Width="300" Height="200" Header="{x:Static langs:Lang.TitleDemoStr1}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}">
+                <GroupBox Grid.Row="1" Grid.Column="0" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
-                        <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                        <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="1" Grid.Column="1" Width="300" Height="200" Header="{x:Static langs:Lang.TitleDemoStr1}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="1" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}" hc:TitleElement.TitleAlignment="Left">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
-                        <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                        <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="2" Grid.Column="0" Width="300" Header="{x:Static langs:Lang.TitleDemoStr1}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left">
+                <GroupBox Grid.Row="2" Grid.Column="0" Width="300" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left">
                     <TextBox/>
                 </GroupBox>
-                <GroupBox Grid.Row="2" VerticalAlignment="Bottom" Grid.Column="1" Width="300" hc:TitleElement.TitleWidth="100" Header="{x:Static langs:Lang.TitleDemoStr1}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="2" VerticalAlignment="Bottom" Grid.Column="1" Width="300" hc:TitleElement.TitleWidth="100" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left" hc:TitleElement.TitleAlignment="Left">
                     <ComboBox DataContext="{Binding ComboBoxDemo,Source={StaticResource Locator}}" ItemsSource="{Binding DataList}"/>
                 </GroupBox>
             </Grid>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/LabelDemoCtl.xaml

@@ -3,15 +3,16 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}"/>
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelDanger}"/>
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelInfo}"/>
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelPrimary}"/>
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelSuccess}"/>
-            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelWarning}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelDanger}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelInfo}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelPrimary}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelSuccess}"/>
+            <Label HorizontalAlignment="Left" Margin="5" Content="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource LabelWarning}"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ListViewDemoCtl.xaml

@@ -3,14 +3,15 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <ListView ItemsSource="{Binding DataList}">
             <ListView.View>
                 <GridView>
-                    <GridViewColumn Width="80" Header="{x:Static langs:Lang.Index}" DisplayMemberBinding="{Binding Index}"/>
-                    <GridViewColumn Width="100" Header="{x:Static langs:Lang.Name}" DisplayMemberBinding="{Binding Name}"/>
-                    <GridViewColumn Width="200" Header="{x:Static langs:Lang.Remark}" DisplayMemberBinding="{Binding Remark}"/>
+                    <GridViewColumn Width="80" Header="{ex:Lang Key={x:Static langs:LangKeys.Index}}" DisplayMemberBinding="{Binding Index}"/>
+                    <GridViewColumn Width="100" Header="{ex:Lang Key={x:Static langs:LangKeys.Name}}" DisplayMemberBinding="{Binding Name}"/>
+                    <GridViewColumn Width="200" Header="{ex:Lang Key={x:Static langs:LangKeys.Remark}}" DisplayMemberBinding="{Binding Remark}"/>
                 </GridView>
             </ListView.View>
         </ListView>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/MenuDemoCtl.xaml

@@ -3,10 +3,11 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <hc:SimplePanel Margin="32">
-             <TextBlock Text="{x:Static langs:Lang.RightClickHere}" Foreground="{DynamicResource BorderBrush}" Style="{StaticResource TextBlockTitle}"/>
+             <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.RightClickHere}}" Foreground="{DynamicResource BorderBrush}" Style="{StaticResource TextBlockTitle}"/>
              <Rectangle Width="200" Height="112" RadiusX="4" RadiusY="4" Stroke="{DynamicResource BorderBrush}" StrokeDashArray="2,2"/>
              <Border Width="200" Height="112" Background="Transparent">
                  <Border.ContextMenu>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeComboBoxDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding ComboBoxDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
@@ -12,15 +13,15 @@
                 <ComboBox ItemsSource="{Binding DataList}" Margin="0,16,0,0" SelectedIndex="0" IsEnabled="False"/>
                 <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" Margin="0,16,0,0" IsEditable="True"/>
 
-                <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" hc:InfoElement.Symbol="*" Margin="0,16,0,0"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" hc:InfoElement.Symbol="*" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
             </StackPanel>
         </ScrollViewer>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeDatePickerDemoCtl.xaml

@@ -4,17 +4,18 @@
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:system="clr-namespace:System;assembly=mscorlib"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <DatePicker SelectedDate="{x:Static system:DateTime.Now}"/>
             <DatePicker Margin="0,16,0,0" IsEnabled="False" SelectedDate="{x:Static system:DateTime.Now}"/>
 
-            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
-            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
+            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
-            <DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+            <DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativePasswordBoxDemoCtl.xaml

@@ -3,17 +3,18 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
             <PasswordBox Password="123456"/>
             <PasswordBox Password="123456" IsEnabled="False" Margin="0,16,0,0"/>
 
-            <PasswordBox hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Password="123456" Margin="0,32,0,0" Style="{StaticResource PasswordBoxExtend}"/>
-            <PasswordBox hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource PasswordBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <PasswordBox hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Password="123456" Margin="0,32,0,0" Style="{StaticResource PasswordBoxExtend}"/>
+            <PasswordBox hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource PasswordBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource PasswordBoxExtend}" Margin="0,32,0,0" Password="123456"/>
-            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Style="{StaticResource PasswordBoxExtend}" Margin="0,16,0,0"/>
+            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource PasswordBoxExtend}" Margin="0,32,0,0" Password="123456"/>
+            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource PasswordBoxExtend}" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeScrollViewerDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}" 
              Width="550"
              Height="600">
@@ -17,27 +18,27 @@
                     <StackPanel Orientation="Horizontal">
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                     </StackPanel>
@@ -48,27 +49,27 @@
                     <WrapPanel Orientation="Horizontal">
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">
-                                <TextBlock Text="{x:Static langs:Lang.ContentDemoStr}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
+                                <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                             </Border>
                         </Border>
                     </WrapPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTabControlDemoCtl.xaml

@@ -3,173 +3,174 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <ScrollViewer>
             <UniformGrid Rows="2" Columns="2" Margin="16">
                 <TabControl TabStripPlacement="Right" Margin="16" Width="400" Height="200">
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}1">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}1">
                         <Border Background="{DynamicResource PrimaryBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="1"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}2">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="2"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}3">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}3">
                         <Border Background="{DynamicResource InfoBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="3"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}4">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}4">
                         <Border Background="{DynamicResource WarningBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="4"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}5">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}5">
                         <Border Background="{DynamicResource DangerBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="5"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
                 </TabControl>
                 <TabControl Margin="16" Width="400" Height="200" Style="{StaticResource TabControlInLine}">
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}1">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}1">
                         <Border Background="{DynamicResource PrimaryBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="1"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}2">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="2"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}3">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}3">
                         <Border Background="{DynamicResource InfoBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="3"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}4">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}4">
                         <Border Background="{DynamicResource WarningBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="4"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem IsSelected="True" Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}5">
+                    <TabItem IsSelected="True" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}5">
                         <Border Background="{DynamicResource DangerBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="5"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
                 </TabControl>
                 <TabControl TabStripPlacement="Left" Margin="16" Width="400" Height="200" Style="{StaticResource TabControlCapsule}">
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}1">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}1">
                         <Border Background="{DynamicResource PrimaryBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="1"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem IsSelected="True" Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}2">
+                    <TabItem IsSelected="True" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="2"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}3">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}3">
                         <Border Background="{DynamicResource InfoBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="3"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}4">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}4">
                         <Border Background="{DynamicResource WarningBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="4"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}5">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}5">
                         <Border Background="{DynamicResource DangerBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="5"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
                 </TabControl>
                 <TabControl TabStripPlacement="Bottom" Margin="16" Width="400" Height="200" Style="{StaticResource TabControlCapsuleSolid}">
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}1">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}1">
                         <Border Background="{DynamicResource PrimaryBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="1"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}2">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}2">
                         <Border Background="{DynamicResource SuccessBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="2"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}3">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}3">
                         <Border Background="{DynamicResource InfoBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="3"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem IsSelected="True" Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}4">
+                    <TabItem IsSelected="True" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}4">
                         <Border Background="{DynamicResource WarningBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="4"/>
                             </TextBlock>
                         </Border>
                     </TabItem>
-                    <TabItem Header="{x:Static langs:Lang.Title}" HeaderStringFormat="{}{0}5">
+                    <TabItem Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}" HeaderStringFormat="{}{0}5">
                         <Border Background="{DynamicResource DangerBrush}">
                             <TextBlock Style="{StaticResource TextBlockLargeBold}" Foreground="{DynamicResource TextIconBrush}">
-                                <Run Text="{x:Static langs:Lang.Text}"/>
+                                <Run Text="{ex:Lang Key={x:Static langs:LangKeys.Text}}"/>
                                 <Run Text="5"/>
                             </TextBlock>
                         </Border>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTextBoxDemoCtl.xaml

@@ -3,16 +3,17 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32">
-            <TextBox Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <TextBox Text="{x:Static langs:Lang.ContentDemoStr}" Margin="0,16,0,0" IsEnabled="False"/>
+            <TextBox Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <TextBox Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" Margin="0,16,0,0" IsEnabled="False"/>
 
-            <TextBox hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <TextBox hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" Style="{StaticResource TextBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{x:Static langs:Lang.ContentDemoStr}"/>
-            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" hc:InfoElement.Necessary="True" Style="{StaticResource TextBoxExtend}" Margin="0,16,0,0"/>
+            <TextBox hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <TextBox hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TextBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource TextBoxExtend}" Margin="0,16,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeWindowDemoCtl.xaml

@@ -5,11 +5,12 @@
              xmlns:data="clr-namespace:HandyControlDemo.Data"
              DataContext="{Binding WindowDemo,Source={StaticResource Locator}}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <UniformGrid Margin="32" Columns="3" Rows="3" Height="200">
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NativeCommonWindow}" Content="{x:Static langs:Lang.OpenNativeCommonWindow}"/>
-            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NavigationWindow}" Content="{x:Static langs:Lang.OpenNavigationWindow}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NativeCommonWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenNativeCommonWindow}}"/>
+            <Button Command="{Binding OpenWindowCmd}" CommandParameter="{x:Static data:MessageToken.NavigationWindow}" Content="{ex:Lang Key={x:Static langs:LangKeys.OpenNavigationWindow}}"/>
         </UniformGrid>
     </hc:TransitioningContentControl>
 </UserControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/RadioButtonDemoCtl.xaml

@@ -3,47 +3,48 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" HorizontalAlignment="Center" VerticalAlignment="Center">
             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                 <StackPanel>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Margin="0,16,0,0" Content="{x:Static langs:Lang.RadioButton}" IsChecked="True" IsEnabled="False"/>
-                    <RadioButton Margin="0,16,0,0" Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Margin="0,16,0,0" Content="{x:Static langs:Lang.RadioButton}" IsEnabled="False"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True" IsEnabled="False"/>
+                    <RadioButton Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Margin="0,16,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsEnabled="False"/>
                 </StackPanel>
                 <UniformGrid Margin="22,0,0,0" Rows="2" Columns="2">
-                    <RadioButton Margin="10,0,0,0" Background="{DynamicResource SecondaryRegionBrush}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource RadioButtonIcon}" Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Margin="10,0,0,0" Background="{DynamicResource SecondaryRegionBrush}" Style="{StaticResource RadioButtonIcon}" Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Margin="10,0,0,0" BorderThickness="1" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource RadioButtonIcon}" Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Margin="10,0,0,0" BorderThickness="1" Style="{StaticResource RadioButtonIcon}" Content="{x:Static langs:Lang.RadioButton}"/>
+                    <RadioButton Margin="10,0,0,0" Background="{DynamicResource SecondaryRegionBrush}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource RadioButtonIcon}" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Margin="10,0,0,0" Background="{DynamicResource SecondaryRegionBrush}" Style="{StaticResource RadioButtonIcon}" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Margin="10,0,0,0" BorderThickness="1" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource RadioButtonIcon}" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Margin="10,0,0,0" BorderThickness="1" Style="{StaticResource RadioButtonIcon}" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
                 </UniformGrid>
             </StackPanel>
             <hc:ButtonGroup Margin="0,32,0,0">
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                <RadioButton IsEnabled="False" Content="{x:Static langs:Lang.RadioButton}"/>
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                <RadioButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
             </hc:ButtonGroup>
             <hc:ButtonGroup Margin="0,16,0,0" Style="{StaticResource ButtonGroupSolid}">
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                <RadioButton IsEnabled="False" Content="{x:Static langs:Lang.RadioButton}"/>
-                <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                <RadioButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
             </hc:ButtonGroup>
             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                 <hc:ButtonGroup Margin="0,16,8,0" Orientation="Vertical">
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton IsEnabled="False" Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
                 </hc:ButtonGroup>
                 <hc:ButtonGroup Margin="8,16,0,0" Orientation="Vertical" Style="{StaticResource ButtonGroupSolid}">
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton IsEnabled="False" Content="{x:Static langs:Lang.RadioButton}"/>
-                    <RadioButton Content="{x:Static langs:Lang.RadioButton}" IsChecked="True"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}"/>
+                    <RadioButton Content="{ex:Lang Key={x:Static langs:LangKeys.RadioButton}}" IsChecked="True"/>
                 </hc:ButtonGroup>
             </StackPanel>
         </StackPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/RepeatButtonDemoCtl.xaml

@@ -3,38 +3,39 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <hc:ScrollViewer IsInertiaEnabled="True">
             <StackPanel Margin="32">
                 <WrapPanel ItemWidth="160" ItemHeight="130">
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Default}" Margin="5"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Default}" Margin="5"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Primary}" Margin="5" Style="{StaticResource RepeatButtonPrimary}"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Primary}" Margin="5" Style="{StaticResource RepeatButtonPrimary}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" Style="{StaticResource RepeatButtonPrimary}"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" Style="{StaticResource RepeatButtonPrimary}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonPrimary"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource RepeatButtonSuccess}"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource RepeatButtonSuccess}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource RepeatButtonSuccess}"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource RepeatButtonSuccess}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonSuccess"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource RepeatButtonInfo}"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource RepeatButtonInfo}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource RepeatButtonInfo}"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource RepeatButtonInfo}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonInfo"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource RepeatButtonWarning}"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource RepeatButtonWarning}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource RepeatButtonWarning}"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource RepeatButtonWarning}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonWarning"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource RepeatButtonDanger}"/>
-                        <RepeatButton IsEnabled="False" Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource RepeatButtonDanger}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource RepeatButtonDanger}"/>
+                        <RepeatButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource RepeatButtonDanger}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonDanger"/>
                     </StackPanel>
                 </WrapPanel>
@@ -45,13 +46,13 @@
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="Default（DeleteGeometry）"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Clock}" Margin="5" Style="{StaticResource RepeatButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
-                        <RepeatButton Content="{x:Static langs:Lang.Clock}" IsEnabled="False" Margin="5" Style="{StaticResource RepeatButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Clock}}" Margin="5" Style="{StaticResource RepeatButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Clock}}" IsEnabled="False" Margin="5" Style="{StaticResource RepeatButtonPrimary}" hc:IconElement.Geometry="{StaticResource ClockGeometry}"/>
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonPrimary（ClockGeometry）"/>
                     </StackPanel>
                     <StackPanel>
-                        <RepeatButton Content="{x:Static langs:Lang.Calendar}" Margin="5" Style="{StaticResource RepeatButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
-                        <RepeatButton Content="{x:Static langs:Lang.Calendar}" IsEnabled="False" Margin="5" Style="{StaticResource RepeatButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Calendar}}" Margin="5" Style="{StaticResource RepeatButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
+                        <RepeatButton Content="{ex:Lang Key={x:Static langs:LangKeys.Calendar}}" IsEnabled="False" Margin="5" Style="{StaticResource RepeatButtonSuccess}" hc:IconElement.Geometry="{StaticResource CalendarGeometry}"/>
                         <TextBlock TextAlignment="Center" TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonSuccess（CalendarGeometry）"/>
                     </StackPanel>
                     <StackPanel>
@@ -72,8 +73,8 @@
                 </WrapPanel>
                 <WrapPanel ItemWidth="160" ItemHeight="130">
                     <StackPanel>
-                        <RepeatButton Margin="5" Height="28" Padding="10,0" Background="#24292e" Foreground="White" Content="{x:Static langs:Lang.ButtonCustom}" Style="{StaticResource RepeatButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
-                        <RepeatButton Margin="5" Height="28" IsEnabled="False" Padding="10,0" Background="#24292e" Foreground="White" Content="{x:Static langs:Lang.ButtonCustom}" Style="{StaticResource RepeatButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
+                        <RepeatButton Margin="5" Height="28" Padding="10,0" Background="#24292e" Foreground="White" Content="{ex:Lang Key={x:Static langs:LangKeys.ButtonCustom}}" Style="{StaticResource RepeatButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
+                        <RepeatButton Margin="5" Height="28" IsEnabled="False" Padding="10,0" Background="#24292e" Foreground="White" Content="{ex:Lang Key={x:Static langs:LangKeys.ButtonCustom}}" Style="{StaticResource RepeatButtonCustom}" hc:BackgroundSwitchElement.MouseHoverBackground="Red" hc:BackgroundSwitchElement.MouseDownBackground="PaleVioletRed"/>
                         <TextBlock TextTrimming="CharacterEllipsis" TextWrapping="Wrap" Style="{StaticResource TextBlockDefault}" Text="RepeatButtonCustom"/>
                     </StackPanel>
                     <StackPanel>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/RichTextBoxDemoCtl.xaml

@@ -3,15 +3,16 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <RichTextBox Margin="32" Width="400" Height="300" ScrollViewer.VerticalScrollBarVisibility="Auto">
             <FlowDocument>
                 <Paragraph>
-                    <Run FontSize="20" Text="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=20,Mode=OneWay}"/>
+                    <Run FontSize="20" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20,Mode=OneWay}"/>
                 </Paragraph>
                 <Paragraph>
-                    <Run Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=1000,Mode=OneWay}"/>
+                    <Run Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=1000,Mode=OneWay}"/>
                 </Paragraph>
                 <Paragraph>
                     <Hyperlink>https://github.com/NaBian/HandyControl</Hyperlink>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/TextBlockDemoCtl.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" Orientation="Horizontal">
@@ -26,23 +27,23 @@
                 <TextBlock HorizontalAlignment="Left" Margin="5" Text="TextBlockDefaultSuccess" Style="{StaticResource TextBlockDefaultSuccess}"/>
             </StackPanel>
             <StackPanel Margin="10,0,0,0">
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockLargeBold}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockLarge}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=12}" Style="{StaticResource TextBlockTitleBold}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Title},Converter={StaticResource StringRepeatConverter},ConverterParameter=12}" Style="{StaticResource TextBlockTitle}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.SubTitle},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockSubTitleBold}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.SubTitle},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockSubTitle}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockLargeBold}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockLarge}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=12}" Style="{StaticResource TextBlockTitleBold}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Title}},Converter={StaticResource StringRepeatConverter},ConverterParameter=12}" Style="{StaticResource TextBlockTitle}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.SubTitle}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockSubTitleBold}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.SubTitle}},Converter={StaticResource StringRepeatConverter},ConverterParameter=10}" Style="{StaticResource TextBlockSubTitle}"/>
 
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultBold}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefault}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultAccent}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSecLight}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultThiLight}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultPrimary}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultDanger}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultWarning}"/>
-                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultInfo}"/>
-                <TextBlock hc:TextBlockAttach.AutoTooltip="True" Width="300" HorizontalAlignment="Left" Margin="5" Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSuccess}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultBold}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefault}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultAccent}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSecLight}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultThiLight}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultPrimary}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultDanger}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultWarning}"/>
+                <TextBlock HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultInfo}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" Width="300" HorizontalAlignment="Left" Margin="5" Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSuccess}"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ToggleButtonDemoCtl.xaml

@@ -3,38 +3,39 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              Background="{DynamicResource RegionBrush}"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              xmlns:hc="https://handyorg.github.io/handycontrol">
     <hc:TransitioningContentControl>
         <hc:ScrollViewer IsInertiaEnabled="True">
             <StackPanel Margin="32">
                 <WrapPanel ItemWidth="160" ItemHeight="130">
                     <StackPanel>
-                        <ToggleButton IsChecked="True" Content="{x:Static langs:Lang.Default}" Margin="5"/>
-                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{x:Static langs:Lang.Default}" Margin="5"/>
+                        <ToggleButton IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
+                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Default}}" Margin="5"/>
                     </StackPanel>
                     <StackPanel>
-                        <ToggleButton IsChecked="True" Content="{x:Static langs:Lang.Primary}" Margin="5" hc:IconElement.Geometry="{StaticResource ClockGeometry}" Style="{StaticResource ToggleButtonPrimary}"/>
-                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{x:Static langs:Lang.Primary}" Margin="5" Style="{StaticResource ToggleButtonPrimary}"/>
+                        <ToggleButton IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" hc:IconElement.Geometry="{StaticResource ClockGeometry}" Style="{StaticResource ToggleButtonPrimary}"/>
+                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Primary}}" Margin="5" Style="{StaticResource ToggleButtonPrimary}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ToggleButtonPrimary"/>
                     </StackPanel>
                     <StackPanel>
-                        <ToggleButton IsChecked="True" Content="{x:Static langs:Lang.Success}" Margin="5" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource ToggleButtonSuccess}"/>
-                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ToggleButtonSuccess}"/>
+                        <ToggleButton IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" hc:IconElement.Geometry="{StaticResource CalendarGeometry}" Style="{StaticResource ToggleButtonSuccess}"/>
+                        <ToggleButton IsEnabled="False" IsChecked="True" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ToggleButtonSuccess}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ToggleButtonSuccess"/>
                     </StackPanel>
                     <StackPanel>
-                        <ToggleButton Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource ToggleButtonInfo}"/>
-                        <ToggleButton IsEnabled="False" Content="{x:Static langs:Lang.Info}" Margin="5" Style="{StaticResource ToggleButtonInfo}"/>
+                        <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource ToggleButtonInfo}"/>
+                        <ToggleButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="5" Style="{StaticResource ToggleButtonInfo}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ToggleButtonInfo"/>
                     </StackPanel>
                     <StackPanel>
-                        <ToggleButton Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ToggleButtonWarning}"/>
-                        <ToggleButton IsEnabled="False" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ToggleButtonWarning}"/>
+                        <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ToggleButtonWarning}"/>
+                        <ToggleButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ToggleButtonWarning}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ToggleButtonWarning"/>
                     </StackPanel>
                     <StackPanel>
-                        <ToggleButton Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource ToggleButtonDanger}"/>
-                        <ToggleButton IsEnabled="False" Content="{x:Static langs:Lang.Danger}" Margin="5" Style="{StaticResource ToggleButtonDanger}"/>
+                        <ToggleButton Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource ToggleButtonDanger}"/>
+                        <ToggleButton IsEnabled="False" Content="{ex:Lang Key={x:Static langs:LangKeys.Danger}}" Margin="5" Style="{StaticResource ToggleButtonDanger}"/>
                         <TextBlock TextAlignment="Center" Style="{StaticResource TextBlockDefault}" Text="ToggleButtonDanger"/>
                     </StackPanel>
                 </WrapPanel>
@@ -108,21 +109,21 @@
                         <ToggleButton BorderThickness="0" IsChecked="True" Margin="5" HorizontalAlignment="Center" Style="{StaticResource ToggleButtonFlip}">
                             <hc:StatusSwitchElement.CheckedElement>
                                 <Border Background="{DynamicResource PrimaryBrush}">
-                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.Off}" Foreground="{DynamicResource TextIconBrush}"/>
+                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{ex:Lang Key={x:Static langs:LangKeys.Off}}" Foreground="{DynamicResource TextIconBrush}"/>
                                 </Border>
                             </hc:StatusSwitchElement.CheckedElement>
                             <Border Background="{DynamicResource DangerBrush}">
-                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.On}" Foreground="{DynamicResource TextIconBrush}"/>
+                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{ex:Lang Key={x:Static langs:LangKeys.On}}" Foreground="{DynamicResource TextIconBrush}"/>
                             </Border>
                         </ToggleButton>
                         <ToggleButton BorderThickness="0" IsEnabled="False" IsChecked="True" Margin="5" HorizontalAlignment="Center" Style="{StaticResource ToggleButtonFlip}">
                             <hc:StatusSwitchElement.CheckedElement>
                                 <Border Background="{DynamicResource PrimaryBrush}">
-                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.Off}" Foreground="{DynamicResource TextIconBrush}"/>
+                                    <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{ex:Lang Key={x:Static langs:LangKeys.Off}}" Foreground="{DynamicResource TextIconBrush}"/>
                                 </Border>
                             </hc:StatusSwitchElement.CheckedElement>
                             <Border Background="{DynamicResource DangerBrush}">
-                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{x:Static langs:Lang.On}" Foreground="{DynamicResource TextIconBrush}"/>
+                                <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="{ex:Lang Key={x:Static langs:LangKeys.On}}" Foreground="{DynamicResource TextIconBrush}"/>
                             </Border>
                         </ToggleButton>
                         <TextBlock Style="{StaticResource TextBlockDefault}" Text="ToggleButtonFlip"/>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/ToolBarDemoCtl.xaml

@@ -3,11 +3,12 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+             xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
              DataContext="{Binding ComboBoxDemo,Source={StaticResource Locator}}"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
         <ToolBarTray Margin="32" VerticalAlignment="Center">
-            <ToolBar Padding="6" Header="{x:Static langs:Lang.Title}">
+            <ToolBar Padding="6" Header="{ex:Lang Key={x:Static langs:LangKeys.Title}}">
                 <CheckBox IsChecked="True" Margin="10,0,0,0"/>
                 <Separator Margin="10,0,0,0"/>
                 <RadioButton Margin="10,0,0,0"/>
@@ -15,16 +16,16 @@
                     <RadioButton IsChecked="True" Margin="10,0,0,0"/>
                     <RadioButton Margin="10,0,0,0"/>
                 </StackPanel>
-                <Button Content="{x:Static langs:Lang.Button}" Margin="10,0,0,0"/>
-                <Button Content="{x:Static langs:Lang.Button}" Margin="10,0,0,0" Style="{StaticResource ButtonPrimary}"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}" Margin="10,0,0,0"/>
+                <Button Content="{ex:Lang Key={x:Static langs:LangKeys.Button}}" Margin="10,0,0,0" Style="{StaticResource ButtonPrimary}"/>
             </ToolBar>
             <ToolBar Band="1" Padding="6">
                 <ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" Width="230"/>
-                <TextBox Text="{Binding Source={x:Static langs:Lang.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=4,Mode=OneWay}" Margin="10,0,0,0" Width="230"/>
+                <TextBox Text="{Binding Source={ex:Lang Key={x:Static langs:LangKeys.Text}},Converter={StaticResource StringRepeatConverter},ConverterParameter=4,Mode=OneWay}" Margin="10,0,0,0" Width="230"/>
             </ToolBar>
             <ToolBar Band="0" Padding="6">
                 <Menu Background="Transparent" VerticalAlignment="Center">
-                    <MenuItem Header="{x:Static langs:Lang.Repository}">
+                    <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Repository}}">
                         <MenuItem Header="GitHub">
                             <MenuItem.Icon>
                                 <Path Data="{StaticResource GithubGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
@@ -36,24 +37,24 @@
                             </MenuItem.Icon>
                         </MenuItem>
                     </MenuItem>
-                    <MenuItem Header="{x:Static langs:Lang.About}">
-                        <MenuItem Header="{x:Static langs:Lang.Email}">
+                    <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.About}}">
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Email}}">
                             <MenuItem.Icon>
                                 <Path Data="{StaticResource EmailGeometry}" Fill="{DynamicResource PrimaryBrush}"/>
                             </MenuItem.Icon>
                         </MenuItem>
-                        <MenuItem Header="{x:Static langs:Lang.Chatroom}">
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Chatroom}}">
                             <MenuItem.Icon>
                                 <Path Data="{StaticResource GitterGeometry}" Fill="#e52e64"/>
                             </MenuItem.Icon>
                         </MenuItem>
-                        <MenuItem Header="{x:Static langs:Lang.Blog}">
+                        <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Blog}}">
                             <MenuItem.Icon>
                                 <Path Data="{StaticResource CnblogsGeometry}" Fill="{DynamicResource PrimaryTextBrush}"/>
                             </MenuItem.Icon>
                         </MenuItem>
                     </MenuItem>
-                    <MenuItem Header="{x:Static langs:Lang.Contributors}"/>
+                    <MenuItem Header="{ex:Lang Key={x:Static langs:LangKeys.Contributors}}"/>
                 </Menu>
             </ToolBar>
         </ToolBarTray>

src/Shared/HandyControlDemo_Shared/Window/AboutWindow.xaml

@@ -6,7 +6,8 @@
            xmlns:hc="https://handyorg.github.io/handycontrol"
            mc:Ignorable="d"
            xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
-           Title="{x:Static langs:Lang.About}"
+           xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
+           Title="{ex:Lang Key={x:Static langs:LangKeys.About}}"
            ShowTitle="True"
            BorderThickness="1"
            BorderBrush="#262e2f"

src/Shared/HandyControlDemo_Shared/Window/BlurWindow.xaml

@@ -5,9 +5,10 @@
                xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                xmlns:hc="https://handyorg.github.io/handycontrol"
                xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+               xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
                mc:Ignorable="d"
                WindowStartupLocation="CenterScreen"
-               Title="{x:Static langs:Lang.Title}"
+               Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}"
                Height="450" 
                Width="800" 
                Icon="/HandyControlDemo;component/Resources/Img/icon.ico">

src/Shared/HandyControlDemo_Shared/Window/CommonWindow.xaml

@@ -5,10 +5,11 @@
            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
            xmlns:hc="https://handyorg.github.io/handycontrol"
            xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+           xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
            mc:Ignorable="d"
            Background="{DynamicResource MainContentBackgroundBrush}"
            WindowStartupLocation="CenterScreen"
-           Title="{x:Static langs:Lang.Title}" 
+           Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}" 
            Height="450" 
            Width="800" 
            Icon="/HandyControlDemo;component/Resources/Img/icon.ico">

src/Shared/HandyControlDemo_Shared/Window/CustomNonClientAreaWindow.xaml

@@ -4,6 +4,7 @@
            xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
            xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+           xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
            xmlns:hc="https://handyorg.github.io/handycontrol"
            mc:Ignorable="d"
            OtherButtonForeground="{DynamicResource ReverseTextBrush}"
@@ -13,7 +14,7 @@
            Background="{DynamicResource MainContentBackgroundBrush}"
            WindowStartupLocation="CenterScreen"
            ShowTitle="False"
-           Title="{x:Static langs:Lang.Title}" 
+           Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}" 
            Height="450" 
            Width="800">
     <hc:Window.NonClientAreaContent>

src/Shared/HandyControlDemo_Shared/Window/DialogDemoWindow.xaml

@@ -3,16 +3,17 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns:data="clr-namespace:HandyControlDemo.Data"
         hc:Dialog.Token="{x:Static data:MessageToken.DialogDemoWindow}"
         DataContext="{Binding DialogDemo,Source={StaticResource Locator}}"
-        Title="{x:Static langs:Lang.DialogDemo}"
+        Title="{ex:Lang Key={x:Static langs:LangKeys.DialogDemo}}"
         Width="800"
         Height="500">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" VerticalAlignment="Center">
-            <Button Content="{x:Static langs:Lang.ShowInCurrentWindow}" Command="{Binding ShowWithTokenCmd}" CommandParameter="{x:Static data:MessageToken.DialogDemoWindow}"/>
-            <Button Margin="0,10,0,0" Content="{x:Static langs:Lang.ShowInMainWindow}" Command="{Binding ShowWithTokenCmd}" CommandParameter="{x:Static data:MessageToken.MainWindow}"/>
+            <Button Content="{ex:Lang Key={x:Static langs:LangKeys.ShowInCurrentWindow}}" Command="{Binding ShowWithTokenCmd}" CommandParameter="{x:Static data:MessageToken.DialogDemoWindow}"/>
+            <Button Margin="0,10,0,0" Content="{ex:Lang Key={x:Static langs:LangKeys.ShowInMainWindow}}" Command="{Binding ShowWithTokenCmd}" CommandParameter="{x:Static data:MessageToken.MainWindow}"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </Window>

src/Shared/HandyControlDemo_Shared/Window/GlowWindow.xaml

@@ -5,10 +5,11 @@
                xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                xmlns:hc="https://handyorg.github.io/handycontrol"
                xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+               xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
                mc:Ignorable="d"
                Background="{DynamicResource MainContentBackgroundBrush}"
                WindowStartupLocation="CenterScreen"
-               Title="{x:Static langs:Lang.Title}"
+               Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}"
                ActiveGlowColor="{DynamicResource PrimaryColor}"
                Height="450" 
                Width="800" 

src/Shared/HandyControlDemo_Shared/Window/GrowlDemoWindow.xaml

@@ -3,21 +3,22 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:hc="https://handyorg.github.io/handycontrol"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
         xmlns:data="clr-namespace:HandyControlDemo.Data"
         DataContext="{Binding GrowlDemoWithToken,Source={StaticResource Locator}}"
-        Title="{x:Static langs:Lang.GrowlDemo}"
+        Title="{ex:Lang Key={x:Static langs:LangKeys.GrowlDemo}}"
         Width="800"
         Height="500">
     <hc:TransitioningContentControl>
         <hc:SimplePanel Margin="32">
             <WrapPanel>
-                <Button Command="{Binding InfoCmd}" Content="{x:Static langs:Lang.Info}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
-                <Button Command="{Binding SuccessCmd}" Content="{x:Static langs:Lang.Success}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
-                <Button Command="{Binding WarningCmd}" Content="{x:Static langs:Lang.Warning}" Margin="5" Style="{StaticResource ButtonWarning}"/>
-                <Button Command="{Binding ErrorCmd}" Content="{x:Static langs:Lang.Error}" Margin="5" Style="{StaticResource ButtonDanger}"/>
-                <Button Command="{Binding AskCmd}" Content="{x:Static langs:Lang.Ask}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
-                <Button Command="{Binding FatalCmd}" Content="{x:Static langs:Lang.Fatal}" Margin="5,0"/>
-                <Button Command="{Binding ClearCmd}" Content="{x:Static langs:Lang.Clear}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
+                <Button Command="{Binding InfoCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Info}}" Margin="0,5,5,5" Style="{StaticResource ButtonInfo}"/>
+                <Button Command="{Binding SuccessCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Success}}" Margin="5" Style="{StaticResource ButtonSuccess}"/>
+                <Button Command="{Binding WarningCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Warning}}" Margin="5" Style="{StaticResource ButtonWarning}"/>
+                <Button Command="{Binding ErrorCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Error}}" Margin="5" Style="{StaticResource ButtonDanger}"/>
+                <Button Command="{Binding AskCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Ask}}" Margin="5" Background="BlueViolet" Foreground="White" BorderThickness="0"/>
+                <Button Command="{Binding FatalCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Fatal}}" Margin="5,0"/>
+                <Button Command="{Binding ClearCmd}" Content="{ex:Lang Key={x:Static langs:LangKeys.Clear}}" Margin="5,0,0,0" Style="{StaticResource ButtonPrimary}"/>
             </WrapPanel>
             <hc:ScrollViewer VerticalScrollBarVisibility="Hidden" HorizontalAlignment="Right" IsInertiaEnabled="True" IsPenetrating="True">
                 <StackPanel hc:Growl.Token="{x:Static data:MessageToken.GrowlDemoPanel}" VerticalAlignment="Top" Margin="0,10,10,10"/>

src/Shared/HandyControlDemo_Shared/Window/NativeCommonWindow.xaml

@@ -3,7 +3,8 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         WindowStartupLocation="CenterScreen"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
-        Title="{x:Static langs:Lang.Title}" 
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
+        Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}" 
         Height="450" 
         Width="800" 
         Icon="/HandyControlDemo;component/Resources/Img/icon.ico">

src/Shared/HandyControlDemo_Shared/Window/NavigationWindow.xaml

@@ -3,7 +3,8 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         WindowStartupLocation="CenterScreen"
         xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
-        Title="{x:Static langs:Lang.Title}" 
+        xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
+        Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}" 
         Height="450" 
         Width="800" 
         Icon="/HandyControlDemo;component/Resources/Img/icon.ico">

src/Shared/HandyControlDemo_Shared/Window/NoNonClientAreaDragableWindow.xaml

@@ -5,6 +5,7 @@
                xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                xmlns:hc="https://handyorg.github.io/handycontrol"
                xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+               xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
                mc:Ignorable="d"
                WindowStartupLocation="CenterScreen"
                ShowTitle="True"
@@ -16,7 +17,7 @@
     <hc:SimplePanel>
         <Rectangle VerticalAlignment="Top" Margin="10" Height="30" RadiusX="4" RadiusY="4" Stroke="{DynamicResource BorderBrush}" StrokeDashArray="2,2"/>
         <Border hc:WindowAttach.IsDragElement="True" VerticalAlignment="Top" Margin="11" Height="28" Background="{DynamicResource DarkDefaultBrush}" CornerRadius="4">
-            <TextBlock Text="{x:Static langs:Lang.DragHere}" Style="{StaticResource TextBlockDefault}"/>
+            <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.DragHere}}" Style="{StaticResource TextBlockDefault}"/>
         </Border>
         <Button Click="ButtonClose_OnClick" HorizontalAlignment="Right" Margin="0,15,15,0" VerticalAlignment="Top" Padding="0" Height="20" Width="20" Style="{StaticResource ButtonPrimary}" hc:IconElement.Geometry="{StaticResource CloseGeometry}" hc:BorderElement.CornerRadius="15"/>
     </hc:SimplePanel>

src/Shared/HandyControl_Shared/HandyControl_Shared.projitems

@@ -91,6 +91,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\ThicknessSplitConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\DependencyObjectExtension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\FrameworkElementExtension.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\LangExtension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\StringExtension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Extension\ValueExtension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\GlobalShortcut.cs" />

src/Shared/HandyControl_Shared/Properties/Langs/LangDecorator.cs

@@ -0,0 +1,448 @@
+using System.ComponentModel;
+using System.Globalization;
+using HandyControl.Tools;
+
+namespace HandyControl.Properties.Langs
+{
+    public class LangDecorator : INotifyPropertyChanged
+    {
+        internal static LangDecorator Instance => ResourceHelper.GetResource<LangDecorator>("Langs");
+
+        private static string CultureInfoStr;
+
+        public static CultureInfo Culture
+        {
+            get => Lang.Culture;
+            set
+            {
+                if (value == null) return;
+                if (Equals(CultureInfoStr, value.EnglishName)) return;
+                Lang.Culture = value;
+                CultureInfoStr = value.EnglishName;
+
+                Instance.UpdateLangs();
+            }
+        }
+
+		private void UpdateLangs()
+        {
+			OnPropertyChanged(nameof(Am));
+			OnPropertyChanged(nameof(Cancel));
+			OnPropertyChanged(nameof(CannotRegisterCompositeCommandInItself));
+			OnPropertyChanged(nameof(CannotRegisterSameCommandTwice));
+			OnPropertyChanged(nameof(Clear));
+			OnPropertyChanged(nameof(Close));
+			OnPropertyChanged(nameof(CloseAll));
+			OnPropertyChanged(nameof(CloseOther));
+			OnPropertyChanged(nameof(Confirm));
+			OnPropertyChanged(nameof(ErrorImgPath));
+			OnPropertyChanged(nameof(ErrorImgSize));
+			OnPropertyChanged(nameof(Find));
+			OnPropertyChanged(nameof(FormatError));
+			OnPropertyChanged(nameof(Interval10m));
+			OnPropertyChanged(nameof(Interval1h));
+			OnPropertyChanged(nameof(Interval1m));
+			OnPropertyChanged(nameof(Interval2h));
+			OnPropertyChanged(nameof(Interval30m));
+			OnPropertyChanged(nameof(Interval30s));
+			OnPropertyChanged(nameof(Interval5m));
+			OnPropertyChanged(nameof(IsNecessary));
+			OnPropertyChanged(nameof(NextPage));
+			OnPropertyChanged(nameof(No));
+			OnPropertyChanged(nameof(OutOfRange));
+			OnPropertyChanged(nameof(PageMode));
+			OnPropertyChanged(nameof(Pm));
+			OnPropertyChanged(nameof(PngImg));
+			OnPropertyChanged(nameof(PreviousPage));
+			OnPropertyChanged(nameof(ScrollMode));
+			OnPropertyChanged(nameof(Tip));
+			OnPropertyChanged(nameof(TooLarge));
+			OnPropertyChanged(nameof(TwoPageMode));
+			OnPropertyChanged(nameof(Unknown));
+			OnPropertyChanged(nameof(UnknownSize));
+			OnPropertyChanged(nameof(Yes));
+			OnPropertyChanged(nameof(ZoomIn));
+			OnPropertyChanged(nameof(ZoomOut));
+        }
+
+        /// <summary>
+        ///   查找类似 上午 的本地化字符串。
+        /// </summary>
+		public string Am => Lang.Am;
+
+        /// <summary>
+        ///   查找类似 取消 的本地化字符串。
+        /// </summary>
+		public string Cancel => Lang.Cancel;
+
+        /// <summary>
+        ///   查找类似 无法自注册复合命令 的本地化字符串。
+        /// </summary>
+		public string CannotRegisterCompositeCommandInItself => Lang.CannotRegisterCompositeCommandInItself;
+
+        /// <summary>
+        ///   查找类似 不能注册同一命令两次 的本地化字符串。
+        /// </summary>
+		public string CannotRegisterSameCommandTwice => Lang.CannotRegisterSameCommandTwice;
+
+        /// <summary>
+        ///   查找类似 清空 的本地化字符串。
+        /// </summary>
+		public string Clear => Lang.Clear;
+
+        /// <summary>
+        ///   查找类似 关闭 的本地化字符串。
+        /// </summary>
+		public string Close => Lang.Close;
+
+        /// <summary>
+        ///   查找类似 关闭所有 的本地化字符串。
+        /// </summary>
+		public string CloseAll => Lang.CloseAll;
+
+        /// <summary>
+        ///   查找类似 关闭其他 的本地化字符串。
+        /// </summary>
+		public string CloseOther => Lang.CloseOther;
+
+        /// <summary>
+        ///   查找类似 确定 的本地化字符串。
+        /// </summary>
+		public string Confirm => Lang.Confirm;
+
+        /// <summary>
+        ///   查找类似 错误的图片路径 的本地化字符串。
+        /// </summary>
+		public string ErrorImgPath => Lang.ErrorImgPath;
+
+        /// <summary>
+        ///   查找类似 非法的图片尺寸 的本地化字符串。
+        /// </summary>
+		public string ErrorImgSize => Lang.ErrorImgSize;
+
+        /// <summary>
+        ///   查找类似 查找 的本地化字符串。
+        /// </summary>
+		public string Find => Lang.Find;
+
+        /// <summary>
+        ///   查找类似 格式错误 的本地化字符串。
+        /// </summary>
+		public string FormatError => Lang.FormatError;
+
+        /// <summary>
+        ///   查找类似 间隔10分钟 的本地化字符串。
+        /// </summary>
+		public string Interval10m => Lang.Interval10m;
+
+        /// <summary>
+        ///   查找类似 间隔1小时 的本地化字符串。
+        /// </summary>
+		public string Interval1h => Lang.Interval1h;
+
+        /// <summary>
+        ///   查找类似 间隔1分钟 的本地化字符串。
+        /// </summary>
+		public string Interval1m => Lang.Interval1m;
+
+        /// <summary>
+        ///   查找类似 间隔2小时 的本地化字符串。
+        /// </summary>
+		public string Interval2h => Lang.Interval2h;
+
+        /// <summary>
+        ///   查找类似 间隔30分钟 的本地化字符串。
+        /// </summary>
+		public string Interval30m => Lang.Interval30m;
+
+        /// <summary>
+        ///   查找类似 间隔30秒 的本地化字符串。
+        /// </summary>
+		public string Interval30s => Lang.Interval30s;
+
+        /// <summary>
+        ///   查找类似 间隔5分钟 的本地化字符串。
+        /// </summary>
+		public string Interval5m => Lang.Interval5m;
+
+        /// <summary>
+        ///   查找类似 不能为空 的本地化字符串。
+        /// </summary>
+		public string IsNecessary => Lang.IsNecessary;
+
+        /// <summary>
+        ///   查找类似 下一页 的本地化字符串。
+        /// </summary>
+		public string NextPage => Lang.NextPage;
+
+        /// <summary>
+        ///   查找类似 否 的本地化字符串。
+        /// </summary>
+		public string No => Lang.No;
+
+        /// <summary>
+        ///   查找类似 不在范围内 的本地化字符串。
+        /// </summary>
+		public string OutOfRange => Lang.OutOfRange;
+
+        /// <summary>
+        ///   查找类似 页面模式 的本地化字符串。
+        /// </summary>
+		public string PageMode => Lang.PageMode;
+
+        /// <summary>
+        ///   查找类似 下午 的本地化字符串。
+        /// </summary>
+		public string Pm => Lang.Pm;
+
+        /// <summary>
+        ///   查找类似 PNG图片 的本地化字符串。
+        /// </summary>
+		public string PngImg => Lang.PngImg;
+
+        /// <summary>
+        ///   查找类似 上一页 的本地化字符串。
+        /// </summary>
+		public string PreviousPage => Lang.PreviousPage;
+
+        /// <summary>
+        ///   查找类似 滚动模式 的本地化字符串。
+        /// </summary>
+		public string ScrollMode => Lang.ScrollMode;
+
+        /// <summary>
+        ///   查找类似 提示 的本地化字符串。
+        /// </summary>
+		public string Tip => Lang.Tip;
+
+        /// <summary>
+        ///   查找类似 过大 的本地化字符串。
+        /// </summary>
+		public string TooLarge => Lang.TooLarge;
+
+        /// <summary>
+        ///   查找类似 双页模式 的本地化字符串。
+        /// </summary>
+		public string TwoPageMode => Lang.TwoPageMode;
+
+        /// <summary>
+        ///   查找类似 未知 的本地化字符串。
+        /// </summary>
+		public string Unknown => Lang.Unknown;
+
+        /// <summary>
+        ///   查找类似 未知大小 的本地化字符串。
+        /// </summary>
+		public string UnknownSize => Lang.UnknownSize;
+
+        /// <summary>
+        ///   查找类似 是 的本地化字符串。
+        /// </summary>
+		public string Yes => Lang.Yes;
+
+        /// <summary>
+        ///   查找类似 放大 的本地化字符串。
+        /// </summary>
+		public string ZoomIn => Lang.ZoomIn;
+
+        /// <summary>
+        ///   查找类似 缩小 的本地化字符串。
+        /// </summary>
+		public string ZoomOut => Lang.ZoomOut;
+
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName) =>
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+
+    public class LangKeys
+    {
+        /// <summary>
+        ///   查找类似 上午 的本地化字符串。
+        /// </summary>
+		public static string Am = nameof(Am);
+
+        /// <summary>
+        ///   查找类似 取消 的本地化字符串。
+        /// </summary>
+		public static string Cancel = nameof(Cancel);
+
+        /// <summary>
+        ///   查找类似 无法自注册复合命令 的本地化字符串。
+        /// </summary>
+		public static string CannotRegisterCompositeCommandInItself = nameof(CannotRegisterCompositeCommandInItself);
+
+        /// <summary>
+        ///   查找类似 不能注册同一命令两次 的本地化字符串。
+        /// </summary>
+		public static string CannotRegisterSameCommandTwice = nameof(CannotRegisterSameCommandTwice);
+
+        /// <summary>
+        ///   查找类似 清空 的本地化字符串。
+        /// </summary>
+		public static string Clear = nameof(Clear);
+
+        /// <summary>
+        ///   查找类似 关闭 的本地化字符串。
+        /// </summary>
+		public static string Close = nameof(Close);
+
+        /// <summary>
+        ///   查找类似 关闭所有 的本地化字符串。
+        /// </summary>
+		public static string CloseAll = nameof(CloseAll);
+
+        /// <summary>
+        ///   查找类似 关闭其他 的本地化字符串。
+        /// </summary>
+		public static string CloseOther = nameof(CloseOther);
+
+        /// <summary>
+        ///   查找类似 确定 的本地化字符串。
+        /// </summary>
+		public static string Confirm = nameof(Confirm);
+
+        /// <summary>
+        ///   查找类似 错误的图片路径 的本地化字符串。
+        /// </summary>
+		public static string ErrorImgPath = nameof(ErrorImgPath);
+
+        /// <summary>
+        ///   查找类似 非法的图片尺寸 的本地化字符串。
+        /// </summary>
+		public static string ErrorImgSize = nameof(ErrorImgSize);
+
+        /// <summary>
+        ///   查找类似 查找 的本地化字符串。
+        /// </summary>
+		public static string Find = nameof(Find);
+
+        /// <summary>
+        ///   查找类似 格式错误 的本地化字符串。
+        /// </summary>
+		public static string FormatError = nameof(FormatError);
+
+        /// <summary>
+        ///   查找类似 间隔10分钟 的本地化字符串。
+        /// </summary>
+		public static string Interval10m = nameof(Interval10m);
+
+        /// <summary>
+        ///   查找类似 间隔1小时 的本地化字符串。
+        /// </summary>
+		public static string Interval1h = nameof(Interval1h);
+
+        /// <summary>
+        ///   查找类似 间隔1分钟 的本地化字符串。
+        /// </summary>
+		public static string Interval1m = nameof(Interval1m);
+
+        /// <summary>
+        ///   查找类似 间隔2小时 的本地化字符串。
+        /// </summary>
+		public static string Interval2h = nameof(Interval2h);
+
+        /// <summary>
+        ///   查找类似 间隔30分钟 的本地化字符串。
+        /// </summary>
+		public static string Interval30m = nameof(Interval30m);
+
+        /// <summary>
+        ///   查找类似 间隔30秒 的本地化字符串。
+        /// </summary>
+		public static string Interval30s = nameof(Interval30s);
+
+        /// <summary>
+        ///   查找类似 间隔5分钟 的本地化字符串。
+        /// </summary>
+		public static string Interval5m = nameof(Interval5m);
+
+        /// <summary>
+        ///   查找类似 不能为空 的本地化字符串。
+        /// </summary>
+		public static string IsNecessary = nameof(IsNecessary);
+
+        /// <summary>
+        ///   查找类似 下一页 的本地化字符串。
+        /// </summary>
+		public static string NextPage = nameof(NextPage);
+
+        /// <summary>
+        ///   查找类似 否 的本地化字符串。
+        /// </summary>
+		public static string No = nameof(No);
+
+        /// <summary>
+        ///   查找类似 不在范围内 的本地化字符串。
+        /// </summary>
+		public static string OutOfRange = nameof(OutOfRange);
+
+        /// <summary>
+        ///   查找类似 页面模式 的本地化字符串。
+        /// </summary>
+		public static string PageMode = nameof(PageMode);
+
+        /// <summary>
+        ///   查找类似 下午 的本地化字符串。
+        /// </summary>
+		public static string Pm = nameof(Pm);
+
+        /// <summary>
+        ///   查找类似 PNG图片 的本地化字符串。
+        /// </summary>
+		public static string PngImg = nameof(PngImg);
+
+        /// <summary>
+        ///   查找类似 上一页 的本地化字符串。
+        /// </summary>
+		public static string PreviousPage = nameof(PreviousPage);
+
+        /// <summary>
+        ///   查找类似 滚动模式 的本地化字符串。
+        /// </summary>
+		public static string ScrollMode = nameof(ScrollMode);
+
+        /// <summary>
+        ///   查找类似 提示 的本地化字符串。
+        /// </summary>
+		public static string Tip = nameof(Tip);
+
+        /// <summary>
+        ///   查找类似 过大 的本地化字符串。
+        /// </summary>
+		public static string TooLarge = nameof(TooLarge);
+
+        /// <summary>
+        ///   查找类似 双页模式 的本地化字符串。
+        /// </summary>
+		public static string TwoPageMode = nameof(TwoPageMode);
+
+        /// <summary>
+        ///   查找类似 未知 的本地化字符串。
+        /// </summary>
+		public static string Unknown = nameof(Unknown);
+
+        /// <summary>
+        ///   查找类似 未知大小 的本地化字符串。
+        /// </summary>
+		public static string UnknownSize = nameof(UnknownSize);
+
+        /// <summary>
+        ///   查找类似 是 的本地化字符串。
+        /// </summary>
+		public static string Yes = nameof(Yes);
+
+        /// <summary>
+        ///   查找类似 放大 的本地化字符串。
+        /// </summary>
+		public static string ZoomIn = nameof(ZoomIn);
+
+        /// <summary>
+        ///   查找类似 缩小 的本地化字符串。
+        /// </summary>
+		public static string ZoomOut = nameof(ZoomOut);
+
+    }
+}

src/Shared/HandyControl_Shared/Properties/Langs/LangDecorator.tt

@@ -0,0 +1,73 @@
+<#@ template debug="false" hostspecific="false" language="C#" #>
+<#@ assembly name="System.Core" #>
+<#@ import namespace="System.Linq" #>
+<#@ import namespace="System.Collections.Generic"#>
+<#@ assembly name="$(TargetPath)" #>
+<#@ import namespace="HandyControl.Properties.Langs" #>
+<#@ output extension=".cs" #>
+<#
+	var resourceType = typeof(Lang);
+    var propertyNameList = resourceType.GetProperties().Where(item => item.PropertyType == typeof(string)).Select(item => item.Name);
+    var langDic = new Dictionary<string, string>();
+    foreach(var item in propertyNameList)
+    {
+        langDic[item] = 
+        @$"/// <summary>
+        ///   查找类似 {Lang.ResourceManager.GetString(item, Lang.Culture)} 的本地化字符串。
+        /// </summary>";
+    }
+#>
+using System.ComponentModel;
+using System.Globalization;
+using HandyControl.Tools;
+
+namespace HandyControl.Properties.Langs
+{
+    public class LangDecorator : INotifyPropertyChanged
+    {
+        internal static LangDecorator Instance => ResourceHelper.GetResource<LangDecorator>("Langs");
+
+        private static string CultureInfoStr;
+
+        public static CultureInfo Culture
+        {
+            get => Lang.Culture;
+            set
+            {
+                if (value == null) return;
+                if (Equals(CultureInfoStr, value.EnglishName)) return;
+                Lang.Culture = value;
+                CultureInfoStr = value.EnglishName;
+
+                Instance.UpdateLangs();
+            }
+        }
+
+		private void UpdateLangs()
+        {
+<#foreach(var item in propertyNameList){#>
+			OnPropertyChanged(nameof(<#=item#>));
+<#}#>
+        }
+
+<#foreach(var item in propertyNameList){#>
+        <#=langDic[item]#>
+		public string <#=item#> => Lang.<#=item#>;
+
+<#}#>
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName) =>
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+
+    public class LangKeys
+    {
+<#foreach(var item in propertyNameList){#>
+        <#=langDic[item]#>
+		public static string <#=item#> = nameof(<#=item#>);
+
+<#}#>
+    }
+}

src/Shared/HandyControl_Shared/Themes/Theme.xaml

@@ -1,6 +1,11 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:langs="clr-namespace:HandyControl.Properties.Langs">
 
     <ResourceDictionary.MergedDictionaries>
+        <ResourceDictionary>
+            <langs:LangDecorator x:Key="Langs"/>
+        </ResourceDictionary>
         <ResourceDictionary Source="Basic/Basic.xaml"/>
         <ResourceDictionary Source="Styles/Style.xaml"/>
     </ResourceDictionary.MergedDictionaries>

src/Shared/HandyControl_Shared/Tools/Extension/LangExtension.cs

@@ -0,0 +1,42 @@
+using HandyControl.Properties.Langs;
+using System;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace HandyControl.Tools.Extension
+{
+    public class LangExtension : MarkupExtension
+    {
+        public LangExtension()
+        {
+
+        }
+
+        public LangExtension(string key) => Key = key;
+
+        public override object ProvideValue(IServiceProvider serviceProvider)
+        {
+            if (!(serviceProvider.GetService(typeof(IProvideValueTarget)) is IProvideValueTarget pvt))
+                return null;
+
+            if (!(pvt.TargetObject is DependencyObject targetObject))
+                return null;
+
+            if (!(pvt.TargetProperty is DependencyProperty targetProperty))
+                return null;
+
+            var binding = new Binding(Key)
+            {
+                Source = LangSource,
+                Mode = BindingMode.OneWay
+            };
+            BindingOperations.SetBinding(targetObject, targetProperty, binding);
+            return binding.ProvideValue(serviceProvider);
+        }
+
+        public string Key { get; set; }
+
+        public virtual object LangSource => LangDecorator.Instance;
+    }
+}