From 711703ce74e54c0d3ec6b9e3967b0ccf63a320b7 Mon Sep 17 00:00:00 2001
From: cdeng-81 <autumnm1981@163.com>
Date: Sat, 30 May 2020 23:09:42 +0800
Subject: [PATCH] Enable connecting to Microsoft Translator from Azure China

---
 .../App.xaml                                  |   1 +
 .../Content/Account.xaml                      |  27 +-
 .../DocumentTranslator.csproj                 |   4 +
 .../Properties/Resources.Designer.cs          | 245 +++++++++++-------
 .../Properties/Resources.resx                 |  17 +-
 .../Styles.xaml                               |  56 ++++
 .../ViewModel/AccountViewModel.cs             |  63 +++++
 TranslationServices.Core/AzureLinkType.cs     |   9 +
 .../Properties/Settings.Designer.cs           |  32 ++-
 .../Properties/Settings.settings              |   6 +
 .../TranslationServiceFacade.cs               |  81 +++---
 .../TranslationServices.Core.csproj           |   1 +
 TranslationServices.Core/app.config           |   6 +
 13 files changed, 403 insertions(+), 145 deletions(-)
 create mode 100644 TranslationAssistant.DocumentTranslationInterface/Styles.xaml
 create mode 100644 TranslationServices.Core/AzureLinkType.cs

diff --git a/TranslationAssistant.DocumentTranslationInterface/App.xaml b/TranslationAssistant.DocumentTranslationInterface/App.xaml
index 6fcd373..4cc14ea 100644
--- a/TranslationAssistant.DocumentTranslationInterface/App.xaml
+++ b/TranslationAssistant.DocumentTranslationInterface/App.xaml
@@ -7,6 +7,7 @@
             <ResourceDictionary.MergedDictionaries>
                 <ResourceDictionary Source="/FirstFloor.ModernUI;component/Assets/ModernUI.xaml" />
                 <ResourceDictionary Source="/FirstFloor.ModernUI;component/Assets/ModernUI.Light.xaml" />
+                <ResourceDictionary Source="Styles.xaml" />
             </ResourceDictionary.MergedDictionaries>
         </ResourceDictionary>
     </Application.Resources>
diff --git a/TranslationAssistant.DocumentTranslationInterface/Content/Account.xaml b/TranslationAssistant.DocumentTranslationInterface/Content/Account.xaml
index 1611678..a6ad3e0 100644
--- a/TranslationAssistant.DocumentTranslationInterface/Content/Account.xaml
+++ b/TranslationAssistant.DocumentTranslationInterface/Content/Account.xaml
@@ -6,13 +6,16 @@
              xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
              xmlns:mui="http://firstfloorsoftware.com/ModernUI"
              xmlns:viewModel="clr-namespace:TranslationAssistant.DocumentTranslationInterface.ViewModel"
+             xmlns:core="clr-namespace:TranslationAssistant.TranslationServices.Core;assembly=Tools.TranslationAssistant.TranslationServices.Core"
              xmlns:p="clr-namespace:TranslationAssistant.DocumentTranslationInterface.Properties"
              mc:Ignorable="d"
              d:DesignHeight="356" d:DesignWidth="475">
     <UserControl.DataContext>
         <viewModel:AccountViewModel/>
     </UserControl.DataContext>
-
+    <UserControl.Resources>
+        <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
+    </UserControl.Resources>
     <Grid>
         <ScrollViewer Margin="0,0,0,-32">
             <StackPanel x:Name="Panel" MinWidth="200">
@@ -49,6 +52,7 @@
                         <RowDefinition />
                         <RowDefinition />
                         <RowDefinition />
+                        <RowDefinition />
                     </Grid.RowDefinitions>
 
                     <TextBlock Grid.Row="1" Grid.Column="0" Text="{x:Static p:Resources.Account_key}" VerticalAlignment="Center" Margin="0,3,16,0" />
@@ -60,15 +64,24 @@
                     <TextBlock Grid.Row="3" Grid.Column="0" Text="{x:Static p:Resources.Account_ShowExperimental}" VerticalAlignment="Center" Margin="0,3,16,0"  />
                     <CheckBox Grid.Row="3" Grid.Column="1" VerticalAlignment="Center" Margin ="0,3,0,0" IsChecked="{Binding ShowExperimental, UpdateSourceTrigger=PropertyChanged}" ToolTip="{x:Static p:Resources.Tooltip_ShowExperimental}" Click="CheckBox_Click" x:Name="ShowExperimental_CheckBox"/>
 
-                    <TextBlock Grid.Row="4" Grid.Column="0" Text="{x:Static p:Resources.AzureGov_text}" VerticalAlignment="Center" Margin="0,3,16,0"  />
-                    <CheckBox Grid.Row="4" Grid.Column="1" VerticalAlignment="Center" Margin ="0,3,0,0" IsChecked="{Binding UseAzureGovernment, UpdateSourceTrigger=PropertyChanged}" ToolTip="{x:Static p:Resources.Tooltip_UseAzureGovernment}" />
+                    <TextBlock Grid.Row="4" Grid.Column="0" Text="{x:Static p:Resources.Azure_LinkType}" VerticalAlignment="Center" Margin="0,3,16,0"  />
+                    <ListBox Grid.Row="4" Grid.Column="1" Style="{StaticResource RadioButtonList}" SelectedValue="{Binding LinkType}" SelectedValuePath="Tag">
+                        <ListBoxItem Tag="{x:Static core:AzureLinkType.Global}" Content="{x:Static p:Resources.AzureGlobal_text}" />
+                        <ListBoxItem Tag="{x:Static core:AzureLinkType.Government}" Content="{x:Static p:Resources.AzureGov_text}" />
+                        <ListBoxItem Tag="{x:Static core:AzureLinkType.China}" Content="{x:Static p:Resources.AzureChina_text}" />
+                    </ListBox>
 
-                    <TextBlock Grid.Row="5" Grid.Column="0" Text="{x:Static p:Resources.CustomEndpoint}" VerticalAlignment="Center" Margin="0,3,16,0" />
-                    <CheckBox Grid.Row="5" Grid.Column="1" VerticalAlignment="Center" Margin ="0,3,0,0" IsChecked="{Binding UseCustomEndpoint, UpdateSourceTrigger=PropertyChanged}" ToolTip="{x:Static p:Resources.Tooltip_CustomUrlCheckbox}" />
-                    <TextBox x:Name="CustomEndpointUrl" Grid.Row="5" Grid.Column="1" HorizontalAlignment="Left" Margin="30,0,0,0" TextWrapping="Wrap" Text="{Binding CustomEndpointUrl, UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Top" Width="270" ToolTip="{x:Static p:Resources.Tooltip_CustomUrl}"/>
+                    <TextBlock Grid.Row="5" Grid.Column="0" Text="{x:Static p:Resources.Account_region}" VerticalAlignment="Center" Margin="0,3,16,0"
+                               Visibility="{Binding ShowRegion, Converter={StaticResource BooleanToVisibilityConverter}}" />
+                    <TextBox Grid.Row="5" Grid.Column="1" VerticalAlignment="Center" Margin ="0,3,0,0"  Text="{Binding Region, UpdateSourceTrigger=PropertyChanged}" ToolTip="{x:Static p:Resources.Tooltip_Region}"
+                             Visibility="{Binding ShowRegion, Converter={StaticResource BooleanToVisibilityConverter}}" />
+                    
+                    <TextBlock Grid.Row="6" Grid.Column="0" Text="{x:Static p:Resources.CustomEndpoint}" VerticalAlignment="Center" Margin="0,3,16,0" />
+                    <CheckBox Grid.Row="6" Grid.Column="1" VerticalAlignment="Center" Margin ="0,3,0,0" IsChecked="{Binding UseCustomEndpoint, UpdateSourceTrigger=PropertyChanged}" ToolTip="{x:Static p:Resources.Tooltip_CustomUrlCheckbox}" />
+                    <TextBox x:Name="CustomEndpointUrl" Grid.Row="6" Grid.Column="1" HorizontalAlignment="Left" Margin="30,0,0,0" TextWrapping="Wrap" Text="{Binding CustomEndpointUrl, UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Top" Width="270" ToolTip="{x:Static p:Resources.Tooltip_CustomUrl}"/>
 
 
-                    <Button Grid.Row="7" Grid.Column="1" Content="{x:Static p:Resources.Account_save}" Width="80" HorizontalAlignment="Left" Margin="0,20,0,0">
+                    <Button Grid.Row="8" Grid.Column="1" Content="{x:Static p:Resources.Account_save}" Width="80" HorizontalAlignment="Left" Margin="0,20,0,0">
                         <i:Interaction.Triggers>
                             <i:EventTrigger EventName="PreviewMouseUp">
                                 <i:InvokeCommandAction
diff --git a/TranslationAssistant.DocumentTranslationInterface/DocumentTranslator.csproj b/TranslationAssistant.DocumentTranslationInterface/DocumentTranslator.csproj
index 206ce95..9d3a5b2 100644
--- a/TranslationAssistant.DocumentTranslationInterface/DocumentTranslator.csproj
+++ b/TranslationAssistant.DocumentTranslationInterface/DocumentTranslator.csproj
@@ -199,6 +199,10 @@
       <DependentUpon>Settings.xaml</DependentUpon>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Page Include="Styles.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
diff --git a/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.Designer.cs b/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.Designer.cs
index 29ace7a..1f65d66 100644
--- a/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.Designer.cs
+++ b/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.Designer.cs
@@ -1,10 +1,10 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
+//     此代码由工具生成。
+//     运行时版本:4.0.30319.42000
 //
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
+//     对此文件的更改可能会导致不正确的行为，并且如果
+//     重新生成代码，这些更改将会丢失。
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -13,12 +13,12 @@ namespace TranslationAssistant.DocumentTranslationInterface.Properties {
     
     
     /// <summary>
-    ///   A strongly-typed resource class, for looking up localized strings, etc.
+    ///   一个强类型的资源类，用于查找本地化的字符串等。
     /// </summary>
-    // This class was auto-generated by the StronglyTypedResourceBuilder
-    // class via a tool like ResGen or Visual Studio.
-    // To add or remove a member, edit your .ResX file then rerun ResGen
-    // with the /str option, or rebuild your VS project.
+    // 此类是由 StronglyTypedResourceBuilder
+    // 类通过类似于 ResGen 或 Visual Studio 的工具自动生成的。
+    // 若要添加或移除成员，请编辑 .ResX 文件，然后重新运行 ResGen
+    // (以 /str 作为命令选项)，或重新生成 VS 项目。
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "16.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
@@ -33,7 +33,7 @@ internal Resources() {
         }
         
         /// <summary>
-        ///   Returns the cached ResourceManager instance used by this class.
+        ///   返回此类使用的缓存的 ResourceManager 实例。
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Resources.ResourceManager ResourceManager {
@@ -47,8 +47,8 @@ internal Resources() {
         }
         
         /// <summary>
-        ///   Overrides the current thread's CurrentUICulture property for all
-        ///   resource lookups using this strongly typed resource class.
+        ///   重写当前线程的 CurrentUICulture 属性
+        ///   重写当前线程的 CurrentUICulture 属性。
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         public static global::System.Globalization.CultureInfo Culture {
@@ -61,7 +61,7 @@ internal Resources() {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Category ID:.
+        ///   查找类似 Category ID: 的本地化字符串。
         /// </summary>
         public static string Account_category {
             get {
@@ -70,7 +70,7 @@ public static string Account_category {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Clear.
+        ///   查找类似 Clear 的本地化字符串。
         /// </summary>
         public static string Account_clear {
             get {
@@ -79,7 +79,7 @@ public static string Account_clear {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Key:.
+        ///   查找类似 Key: 的本地化字符串。
         /// </summary>
         public static string Account_key {
             get {
@@ -88,7 +88,16 @@ public static string Account_key {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Save.
+        ///   查找类似 Region: 的本地化字符串。
+        /// </summary>
+        public static string Account_region {
+            get {
+                return ResourceManager.GetString("Account_region", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Save 的本地化字符串。
         /// </summary>
         public static string Account_save {
             get {
@@ -97,7 +106,7 @@ public static string Account_save {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Show experimental languages.
+        ///   查找类似 Show experimental languages 的本地化字符串。
         /// </summary>
         public static string Account_ShowExperimental {
             get {
@@ -106,7 +115,7 @@ public static string Account_ShowExperimental {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Please subscribe to Microsoft Translator Text API at.
+        ///   查找类似 Please subscribe to Microsoft Translator Text API at 的本地化字符串。
         /// </summary>
         public static string Account_string1 {
             get {
@@ -115,7 +124,7 @@ public static string Account_string1 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Optionally you may enter a category identifier to use a customized machine translation system. Enter the category ID of a custom system you have built on.
+        ///   查找类似 Optionally you may enter a category identifier to use a customized machine translation system. Enter the category ID of a custom system you have built on 的本地化字符串。
         /// </summary>
         public static string Account_string10 {
             get {
@@ -124,7 +133,7 @@ public static string Account_string10 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Build a customized machine translation system here..
+        ///   查找类似 Build a customized machine translation system here. 的本地化字符串。
         /// </summary>
         public static string Account_string11 {
             get {
@@ -133,7 +142,7 @@ public static string Account_string11 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to and copy the Key for your Translator Text API resource into the field below..
+        ///   查找类似 and copy the Key for your Translator Text API resource into the field below. 的本地化字符串。
         /// </summary>
         public static string Account_string2 {
             get {
@@ -142,7 +151,7 @@ public static string Account_string2 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Subscribe to Microsoft Translator.
+        ///   查找类似 Subscribe to Microsoft Translator 的本地化字符串。
         /// </summary>
         public static string Account_string3 {
             get {
@@ -151,7 +160,7 @@ public static string Account_string3 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Account.
+        ///   查找类似 Account 的本地化字符串。
         /// </summary>
         public static string Account_title {
             get {
@@ -160,7 +169,7 @@ public static string Account_title {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Appid:.
+        ///   查找类似 Appid: 的本地化字符串。
         /// </summary>
         public static string Advanced_appid {
             get {
@@ -169,7 +178,7 @@ public static string Advanced_appid {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Please obtain the Server Address and the Appid to enter from the translation service administrator for your organization..
+        ///   查找类似 Please obtain the Server Address and the Appid to enter from the translation service administrator for your organization. 的本地化字符串。
         /// </summary>
         public static string Advanced_string10 {
             get {
@@ -178,7 +187,7 @@ public static string Advanced_string10 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Any settings made here will override entries that are present in the &quot;Account&quot; page..
+        ///   查找类似 Any settings made here will override entries that are present in the &quot;Account&quot; page. 的本地化字符串。
         /// </summary>
         public static string Advanced_string11 {
             get {
@@ -187,7 +196,7 @@ public static string Advanced_string11 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Server Address:.
+        ///   查找类似 Server Address: 的本地化字符串。
         /// </summary>
         public static string Advanced_string20 {
             get {
@@ -196,7 +205,7 @@ public static string Advanced_string20 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Use these Advanced Settings instead of &quot;Account&quot;..
+        ///   查找类似 Use these Advanced Settings instead of &quot;Account&quot;. 的本地化字符串。
         /// </summary>
         public static string Advanced_string21 {
             get {
@@ -205,7 +214,7 @@ public static string Advanced_string21 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Advanced Settings.
+        ///   查找类似 Advanced Settings 的本地化字符串。
         /// </summary>
         public static string Advanced_title {
             get {
@@ -214,7 +223,7 @@ public static string Advanced_title {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Color theme:.
+        ///   查找类似 Color theme: 的本地化字符串。
         /// </summary>
         public static string Appearance_colortheme {
             get {
@@ -223,7 +232,7 @@ public static string Appearance_colortheme {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Font size:.
+        ///   查找类似 Font size: 的本地化字符串。
         /// </summary>
         public static string Appearance_fontsize {
             get {
@@ -232,7 +241,7 @@ public static string Appearance_fontsize {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Appearance.
+        ///   查找类似 Appearance 的本地化字符串。
         /// </summary>
         public static string Appearance_title {
             get {
@@ -241,7 +250,34 @@ public static string Appearance_title {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Use Azure Government:.
+        ///   查找类似 Azure Link Type: 的本地化字符串。
+        /// </summary>
+        public static string Azure_LinkType {
+            get {
+                return ResourceManager.GetString("Azure_LinkType", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Use Azure China 的本地化字符串。
+        /// </summary>
+        public static string AzureChina_text {
+            get {
+                return ResourceManager.GetString("AzureChina_text", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Use Azure Global 的本地化字符串。
+        /// </summary>
+        public static string AzureGlobal_text {
+            get {
+                return ResourceManager.GetString("AzureGlobal_text", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Use Azure Government 的本地化字符串。
         /// </summary>
         public static string AzureGov_text {
             get {
@@ -250,7 +286,7 @@ public static string AzureGov_text {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Auto-Detect.
+        ///   查找类似 Auto-Detect 的本地化字符串。
         /// </summary>
         public static string Common_AutoDetect {
             get {
@@ -259,7 +295,7 @@ public static string Common_AutoDetect {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to HTML.
+        ///   查找类似 HTML 的本地化字符串。
         /// </summary>
         public static string Common_HTML {
             get {
@@ -268,7 +304,7 @@ public static string Common_HTML {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to plain text.
+        ///   查找类似 plain text 的本地化字符串。
         /// </summary>
         public static string Common_PlainText {
             get {
@@ -277,7 +313,7 @@ public static string Common_PlainText {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Ready to translate..
+        ///   查找类似 Ready to translate. 的本地化字符串。
         /// </summary>
         public static string Common_Ready {
             get {
@@ -286,7 +322,7 @@ public static string Common_Ready {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Please select the documents and languages to translate..
+        ///   查找类似 Please select the documents and languages to translate. 的本地化字符串。
         /// </summary>
         public static string Common_SelectDocuments {
             get {
@@ -295,7 +331,7 @@ public static string Common_SelectDocuments {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Settings saved. Ready to translate..
+        ///   查找类似 Settings saved. Ready to translate. 的本地化字符串。
         /// </summary>
         public static string Common_SettingsSaved {
             get {
@@ -304,7 +340,7 @@ public static string Common_SettingsSaved {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Started.
+        ///   查找类似 Started 的本地化字符串。
         /// </summary>
         public static string Common_Started {
             get {
@@ -313,8 +349,8 @@ public static string Common_Started {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translation completed successfully.
-        ///The translated documents contain the language identifier.
+        ///   查找类似 Translation completed successfully.
+        ///The translated documents contain the language identifier 的本地化字符串。
         /// </summary>
         public static string Common_Statustext1 {
             get {
@@ -323,7 +359,7 @@ public static string Common_Statustext1 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to in the file name..
+        ///   查找类似 in the file name. 的本地化字符串。
         /// </summary>
         public static string Common_Statustext2 {
             get {
@@ -332,7 +368,7 @@ public static string Common_Statustext2 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Supported Files.
+        ///   查找类似 Supported Files 的本地化字符串。
         /// </summary>
         public static string Common_SupportedFiles {
             get {
@@ -341,7 +377,7 @@ public static string Common_SupportedFiles {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translating document:.
+        ///   查找类似 Translating document: 的本地化字符串。
         /// </summary>
         public static string Common_TranslatingDocument {
             get {
@@ -350,7 +386,7 @@ public static string Common_TranslatingDocument {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Use container:.
+        ///   查找类似 Use container: 的本地化字符串。
         /// </summary>
         public static string CustomEndpoint {
             get {
@@ -359,7 +395,7 @@ public static string CustomEndpoint {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Document Translator.
+        ///   查找类似 Document Translator 的本地化字符串。
         /// </summary>
         public static string DocumentTranslator_name {
             get {
@@ -368,8 +404,8 @@ public static string DocumentTranslator_name {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to V2: Category is invalid.
-        ///Please visit https://hub.microsofttranslator.com to determine a valid category ID, leave empty, or use one of the standard categories..
+        ///   查找类似 V2: Category is invalid.
+        ///Please visit https://hub.microsofttranslator.com to determine a valid category ID, leave empty, or use one of the standard categories. 的本地化字符串。
         /// </summary>
         public static string Error_CategoryV2Invalid {
             get {
@@ -378,8 +414,8 @@ public static string Error_CategoryV2Invalid {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Category is invalid.
-        ///Please visit https://portal.customtranslator.azure.ai to determine a valid category ID, leave empty, or use one of the standard categories..
+        ///   查找类似 Category is invalid.
+        ///Please visit https://portal.customtranslator.azure.ai to determine a valid category ID, leave empty, or use one of the standard categories. 的本地化字符串。
         /// </summary>
         public static string Error_CategoryV3Invalid {
             get {
@@ -388,8 +424,8 @@ public static string Error_CategoryV3Invalid {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Key is invalid.
-        ///Please visit the Azure Portal to obtain a subscription key for the Translator Text API..
+        ///   查找类似 Key is invalid.
+        ///Please visit the Azure Portal to obtain a subscription key for the Translator Text API. 的本地化字符串。
         /// </summary>
         public static string Error_KeyInvalid {
             get {
@@ -398,7 +434,7 @@ public static string Error_KeyInvalid {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Unable to retrieve language list from Translator service..
+        ///   查找类似 Unable to retrieve language list from Translator service. 的本地化字符串。
         /// </summary>
         public static string Error_LanguageList {
             get {
@@ -407,7 +443,7 @@ public static string Error_LanguageList {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Please subscribe to Microsoft Translator text API and enter your subscription key in the Settings page..
+        ///   查找类似 Please subscribe to Microsoft Translator text API and enter your subscription key in the Settings page. 的本地化字符串。
         /// </summary>
         public static string Error_PleaseSubscribe {
             get {
@@ -416,7 +452,7 @@ public static string Error_PleaseSubscribe {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Error while processing document:.
+        ///   查找类似 Error while processing document: 的本地化字符串。
         /// </summary>
         public static string Error_ProcessingDocument {
             get {
@@ -425,7 +461,7 @@ public static string Error_ProcessingDocument {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translations by Microsoft® Translator.
+        ///   查找类似 Translations by Microsoft® Translator 的本地化字符串。
         /// </summary>
         public static string Home_attribution {
             get {
@@ -434,7 +470,7 @@ public static string Home_attribution {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate Microsoft Office documents: Word | Excel | Powerpoint..
+        ///   查找类似 Translate Microsoft Office documents: Word | Excel | Powerpoint. 的本地化字符串。
         /// </summary>
         public static string Home_string10 {
             get {
@@ -443,7 +479,7 @@ public static string Home_string10 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate PDF. Requires Office 2013 or later installed on this PC. PDFs will be saved as Word documents..
+        ///   查找类似 Translate PDF. Requires Office 2013 or later installed on this PC. PDFs will be saved as Word documents. 的本地化字符串。
         /// </summary>
         public static string Home_string11 {
             get {
@@ -452,7 +488,7 @@ public static string Home_string11 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate HTML, Markdown, SRT caption files, and plain text (.txt file) in UTF-8 character encoding..
+        ///   查找类似 Translate HTML, Markdown, SRT caption files, and plain text (.txt file) in UTF-8 character encoding. 的本地化字符串。
         /// </summary>
         public static string Home_string12 {
             get {
@@ -461,7 +497,7 @@ public static string Home_string12 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate from any Microsoft Translator source language to any target language..
+        ///   查找类似 Translate from any Microsoft Translator source language to any target language. 的本地化字符串。
         /// </summary>
         public static string Home_string13 {
             get {
@@ -470,7 +506,7 @@ public static string Home_string13 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Uses your Translator Text API account, and any MT systems that have been customized using Custom Translator..
+        ///   查找类似 Uses your Translator Text API account, and any MT systems that have been customized using Custom Translator. 的本地化字符串。
         /// </summary>
         public static string Home_string14 {
             get {
@@ -479,7 +515,7 @@ public static string Home_string14 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Command line operation, wildcards and multiple languages at once using DocumentTranslatorCmd.exe..
+        ///   查找类似 Command line operation, wildcards and multiple languages at once using DocumentTranslatorCmd.exe. 的本地化字符串。
         /// </summary>
         public static string Home_string15 {
             get {
@@ -488,7 +524,7 @@ public static string Home_string15 {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Home.
+        ///   查找类似 Home 的本地化字符串。
         /// </summary>
         public static string Main_Home {
             get {
@@ -497,7 +533,7 @@ public static string Main_Home {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate.
+        ///   查找类似 Translate 的本地化字符串。
         /// </summary>
         public static string Main_ImmediateWindow {
             get {
@@ -506,7 +542,7 @@ public static string Main_ImmediateWindow {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Settings.
+        ///   查找类似 Settings 的本地化字符串。
         /// </summary>
         public static string Main_Settings {
             get {
@@ -515,7 +551,7 @@ public static string Main_Settings {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to About.
+        ///   查找类似 About 的本地化字符串。
         /// </summary>
         public static string Settings_About {
             get {
@@ -524,7 +560,7 @@ public static string Settings_About {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Test Window.
+        ///   查找类似 Test Window 的本地化字符串。
         /// </summary>
         public static string TestWindow_Title {
             get {
@@ -533,7 +569,7 @@ public static string TestWindow_Title {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Required: Enter the key to your Azure Translator subscription..
+        ///   查找类似 Required: Enter the key to your Azure Translator subscription. 的本地化字符串。
         /// </summary>
         public static string Tooltip_AccountKey {
             get {
@@ -542,7 +578,7 @@ public static string Tooltip_AccountKey {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Returns the sentence boundaries of the input. .
+        ///   查找类似 Returns the sentence boundaries of the input.  的本地化字符串。
         /// </summary>
         public static string Tooltip_BreakSentences {
             get {
@@ -551,7 +587,7 @@ public static string Tooltip_BreakSentences {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Optional: Enter the category ID of the custom system you want to use. .
+        ///   查找类似 Optional: Enter the category ID of the custom system you want to use.  的本地化字符串。
         /// </summary>
         public static string Tooltip_Category {
             get {
@@ -560,7 +596,7 @@ public static string Tooltip_Category {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Enter the Url to the endpoint where you are hosting the Translator container..
+        ///   查找类似 Enter the Url to the endpoint where you are hosting the Translator container. 的本地化字符串。
         /// </summary>
         public static string Tooltip_CustomUrl {
             get {
@@ -569,7 +605,7 @@ public static string Tooltip_CustomUrl {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Check this only if you have a container install of Translator (uncommon).
+        ///   查找类似 Check this only if you have a container install of Translator (uncommon) 的本地化字符串。
         /// </summary>
         public static string Tooltip_CustomUrlCheckbox {
             get {
@@ -578,7 +614,7 @@ public static string Tooltip_CustomUrlCheckbox {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Returns a JSON array with the result of the Detect function call..
+        ///   查找类似 Returns a JSON array with the result of the Detect function call. 的本地化字符串。
         /// </summary>
         public static string Tooltip_Detect {
             get {
@@ -587,7 +623,7 @@ public static string Tooltip_Detect {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Return a dictionary entry for this item.
+        ///   查找类似 Return a dictionary entry for this item 的本地化字符串。
         /// </summary>
         public static string Tooltip_Dictionary {
             get {
@@ -596,7 +632,16 @@ public static string Tooltip_Dictionary {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Show the experimental languages. Not recommended for production use..
+        ///   查找类似 Required: Enter the region of your Azure Translator location. 的本地化字符串。
+        /// </summary>
+        public static string Tooltip_Region {
+            get {
+                return ResourceManager.GetString("Tooltip_Region", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Show the experimental languages. Not recommended for production use. 的本地化字符串。
         /// </summary>
         public static string Tooltip_ShowExperimental {
             get {
@@ -605,7 +650,7 @@ public static string Tooltip_ShowExperimental {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Returns the translation of the input to the specified language..
+        ///   查找类似 Returns the translation of the input to the specified language. 的本地化字符串。
         /// </summary>
         public static string Tooltip_Translate {
             get {
@@ -614,7 +659,7 @@ public static string Tooltip_Translate {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Returns a translation from all of the Microsoft Translator languages to the selected language. Useful only for short strings..
+        ///   查找类似 Returns a translation from all of the Microsoft Translator languages to the selected language. Useful only for short strings. 的本地化字符串。
         /// </summary>
         public static string Tooltip_TranslateFromAll {
             get {
@@ -623,7 +668,7 @@ public static string Tooltip_TranslateFromAll {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Returns a translation to all of the Microsoft Translator languages. Useful only for short strings..
+        ///   查找类似 Returns a translation to all of the Microsoft Translator languages. Useful only for short strings. 的本地化字符串。
         /// </summary>
         public static string Tooltip_TranslateToAll {
             get {
@@ -632,7 +677,7 @@ public static string Tooltip_TranslateToAll {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Check if your account key is for Azure Government (azure.us)..
+        ///   查找类似 Check if your account key is for Azure Government (azure.us). 的本地化字符串。
         /// </summary>
         public static string Tooltip_UseAzureGovernment {
             get {
@@ -641,7 +686,7 @@ public static string Tooltip_UseAzureGovernment {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Break Sentences.
+        ///   查找类似 Break Sentences 的本地化字符串。
         /// </summary>
         public static string Translate_BreakSentences {
             get {
@@ -650,7 +695,7 @@ public static string Translate_BreakSentences {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Browse.
+        ///   查找类似 Browse 的本地化字符串。
         /// </summary>
         public static string Translate_Browse {
             get {
@@ -659,7 +704,7 @@ public static string Translate_Browse {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Detect.
+        ///   查找类似 Detect 的本地化字符串。
         /// </summary>
         public static string Translate_Detect {
             get {
@@ -668,7 +713,7 @@ public static string Translate_Detect {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Dictionary.
+        ///   查找类似 Dictionary 的本地化字符串。
         /// </summary>
         public static string Translate_Dictionary {
             get {
@@ -677,7 +722,7 @@ public static string Translate_Dictionary {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Documents.
+        ///   查找类似 Documents 的本地化字符串。
         /// </summary>
         public static string Translate_Documents {
             get {
@@ -686,7 +731,7 @@ public static string Translate_Documents {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate from all.
+        ///   查找类似 Translate from all 的本地化字符串。
         /// </summary>
         public static string Translate_FromAll {
             get {
@@ -695,7 +740,7 @@ public static string Translate_FromAll {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to From Language.
+        ///   查找类似 From Language 的本地化字符串。
         /// </summary>
         public static string Translate_FromLanguage {
             get {
@@ -704,7 +749,7 @@ public static string Translate_FromLanguage {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate.
+        ///   查找类似 Translate 的本地化字符串。
         /// </summary>
         public static string Translate_Go {
             get {
@@ -713,7 +758,7 @@ public static string Translate_Go {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Ignore hidden content.
+        ///   查找类似 Ignore hidden content 的本地化字符串。
         /// </summary>
         public static string Translate_Hidden {
             get {
@@ -722,8 +767,8 @@ public static string Translate_Hidden {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Check to skip the following content:
-        ///Word documents: hidden text.
+        ///   查找类似 Check to skip the following content:
+        ///Word documents: hidden text 的本地化字符串。
         /// </summary>
         public static string Translate_HiddenTooltip {
             get {
@@ -732,7 +777,7 @@ public static string Translate_HiddenTooltip {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Input:.
+        ///   查找类似 Input: 的本地化字符串。
         /// </summary>
         public static string Translate_Input {
             get {
@@ -741,8 +786,8 @@ public static string Translate_Input {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Invalid credentials.
-        ///Please visit the Settings page first to enter your Microsoft Translator credentials..
+        ///   查找类似 Invalid credentials.
+        ///Please visit the Settings page first to enter your Microsoft Translator credentials. 的本地化字符串。
         /// </summary>
         public static string Translate_invalidcredentials {
             get {
@@ -751,7 +796,7 @@ public static string Translate_invalidcredentials {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Content Type.
+        ///   查找类似 Content Type 的本地化字符串。
         /// </summary>
         public static string Translate_Mode {
             get {
@@ -760,7 +805,7 @@ public static string Translate_Mode {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Result:.
+        ///   查找类似 Result: 的本地化字符串。
         /// </summary>
         public static string Translate_Result {
             get {
@@ -769,7 +814,7 @@ public static string Translate_Result {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Number of sentences:.
+        ///   查找类似 Number of sentences: 的本地化字符串。
         /// </summary>
         public static string Translate_SentNum {
             get {
@@ -778,7 +823,7 @@ public static string Translate_SentNum {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate Documents.
+        ///   查找类似 Translate Documents 的本地化字符串。
         /// </summary>
         public static string Translate_title {
             get {
@@ -787,7 +832,7 @@ public static string Translate_title {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to Translate to all.
+        ///   查找类似 Translate to all 的本地化字符串。
         /// </summary>
         public static string Translate_ToAll {
             get {
@@ -796,7 +841,7 @@ public static string Translate_ToAll {
         }
         
         /// <summary>
-        ///   Looks up a localized string similar to To Language.
+        ///   查找类似 To Language 的本地化字符串。
         /// </summary>
         public static string Translate_ToLanguage {
             get {
diff --git a/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.resx b/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.resx
index ef50569..5ab01c0 100644
--- a/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.resx
+++ b/TranslationAssistant.DocumentTranslationInterface/Properties/Resources.resx
@@ -279,7 +279,7 @@ Please visit the Settings page first to enter your Microsoft Translator credenti
     <value>Started</value>
   </data>
   <data name="AzureGov_text" xml:space="preserve">
-    <value>Use Azure Government:</value>
+    <value>Use Azure Government</value>
   </data>
   <data name="Translate_Hidden" xml:space="preserve">
     <value>Ignore hidden content</value>
@@ -369,4 +369,19 @@ Word documents: hidden text</value>
   <data name="Tooltip_TranslateFromAll" xml:space="preserve">
     <value>Returns a translation from all of the Microsoft Translator languages to the selected language. Useful only for short strings.</value>
   </data>
+  <data name="Account_region" xml:space="preserve">
+    <value>Region:</value>
+  </data>
+  <data name="Tooltip_Region" xml:space="preserve">
+    <value>Required: Enter the region of your Azure Translator location.</value>
+  </data>
+  <data name="AzureChina_text" xml:space="preserve">
+    <value>Use Azure China</value>
+  </data>
+  <data name="AzureGlobal_text" xml:space="preserve">
+    <value>Use Azure Global</value>
+  </data>
+  <data name="Azure_LinkType" xml:space="preserve">
+    <value>Azure Link Type:</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/TranslationAssistant.DocumentTranslationInterface/Styles.xaml b/TranslationAssistant.DocumentTranslationInterface/Styles.xaml
new file mode 100644
index 0000000..9d89b77
--- /dev/null
+++ b/TranslationAssistant.DocumentTranslationInterface/Styles.xaml
@@ -0,0 +1,56 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Style x:Key="RadioButtonListItem" TargetType="{x:Type ListBoxItem}" >
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="ListBoxItem">
+                    <DockPanel LastChildFill="True" Background="{TemplateBinding Background}" HorizontalAlignment="Stretch" VerticalAlignment="Center" >
+                        <RadioButton IsChecked="{TemplateBinding IsSelected}" Focusable="False" IsHitTestVisible="False" VerticalAlignment="Center" Margin="0,0,4,0" Style="{x:Null}" />
+                        <ContentPresenter
+                            Content             = "{TemplateBinding ContentControl.Content}"
+                            ContentTemplate     = "{TemplateBinding ContentControl.ContentTemplate}"
+                            ContentStringFormat = "{TemplateBinding ContentControl.ContentStringFormat}"
+                            HorizontalAlignment = "{TemplateBinding Control.HorizontalContentAlignment}"
+                            VerticalAlignment   = "{TemplateBinding Control.VerticalContentAlignment}"
+                            SnapsToDevicePixels = "{TemplateBinding UIElement.SnapsToDevicePixels}" />
+                    </DockPanel>
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+    <Style x:Key="RadioButtonList" TargetType="ListBox">
+        <Style.Resources>
+            <Style TargetType="Label">
+                <Setter Property="Padding" Value="0" />
+            </Style>
+        </Style.Resources>
+
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Background"      Value="Transparent" />
+        <Setter Property="ItemContainerStyle" Value="{StaticResource RadioButtonListItem}" />
+        <Setter Property="Control.Template">
+            <Setter.Value>
+                <ControlTemplate TargetType="{x:Type ListBox}">
+                    <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+
+        <Style.Triggers>
+            <Trigger Property="IsEnabled" Value="False">
+                <Setter Property="TextBlock.Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <Style x:Key="HorizontalRadioButtonList" BasedOn="{StaticResource RadioButtonList}" TargetType="ListBox">
+        <Setter Property="ItemsPanel">
+            <Setter.Value>
+                <ItemsPanelTemplate>
+                    <VirtualizingStackPanel Background="Transparent" Orientation="Horizontal" />
+                </ItemsPanelTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/TranslationAssistant.DocumentTranslationInterface/ViewModel/AccountViewModel.cs b/TranslationAssistant.DocumentTranslationInterface/ViewModel/AccountViewModel.cs
index 03c6563..9f8790f 100644
--- a/TranslationAssistant.DocumentTranslationInterface/ViewModel/AccountViewModel.cs
+++ b/TranslationAssistant.DocumentTranslationInterface/ViewModel/AccountViewModel.cs
@@ -36,6 +36,21 @@ public class AccountViewModel : Notifyer
         /// </summary>
         private string categoryID;
 
+        /// <summary>
+        ///     The Azure link type.
+        /// </summary>
+        private TranslationServices.Core.AzureLinkType linkType;
+
+        /// <summary>
+        ///     Indicate whether to show region.
+        /// </summary>
+        private bool showRegion;
+
+        /// <summary>
+        ///     The region string.
+        /// </summary>
+        private string region;
+
         /// <summary>
         /// Use the Government instance of Azure (true) or not (false) 
         /// </summary>
@@ -107,6 +122,49 @@ public string CategoryID
             }
         }
 
+        public TranslationServices.Core.AzureLinkType LinkType
+        {
+            get
+            {
+                return this.linkType;
+            }
+
+            set
+            {
+                this.linkType = value;
+                this.NotifyPropertyChanged("LinkType");
+                ShowRegion = this.linkType == TranslationServices.Core.AzureLinkType.China;
+            }
+        }
+
+        public bool ShowRegion
+        {
+            get
+            {
+                return this.showRegion;
+            }
+
+            set
+            {
+                this.showRegion = value;
+                this.NotifyPropertyChanged("ShowRegion");
+            }
+        }
+
+        public string Region
+        {
+            get
+            {
+                return this.region;
+            }
+
+            set
+            {
+                this.region = value;
+                this.NotifyPropertyChanged("Region");
+            }
+        }
+
         public bool UseAzureGovernment
         {
             get
@@ -120,6 +178,7 @@ public bool UseAzureGovernment
                 this.NotifyPropertyChanged("UseAzureGovernment");
             }
         }
+
         public bool ShowExperimental
         {
             get
@@ -208,6 +267,8 @@ public AccountViewModel()
             }
             catch { };
             this.AzureKey = TranslationServices.Core.TranslationServiceFacade.AzureKey;
+            this.LinkType = TranslationServices.Core.TranslationServiceFacade.LinkType;
+            this.Region = TranslationServices.Core.TranslationServiceFacade.Region;
             this.categoryID = TranslationServices.Core.TranslationServiceFacade.CategoryID;
             this.useAzureGovernment = TranslationServices.Core.TranslationServiceFacade.UseAzureGovernment;
             this.useCustomEndpoint = TranslationServices.Core.TranslationServiceFacade.UseCustomEndpoint;
@@ -222,6 +283,8 @@ private async void SaveAccountClick()
         {
             //Set the Account values and save.
             TranslationServices.Core.TranslationServiceFacade.AzureKey = TranslationServices.Core.TranslationServiceFacade.AzureKey.Trim();
+            TranslationServices.Core.TranslationServiceFacade.LinkType = this.LinkType;
+            TranslationServices.Core.TranslationServiceFacade.Region = this.Region.Trim();
             TranslationServices.Core.TranslationServiceFacade.CategoryID = this.categoryID.Trim();
             TranslationServices.Core.TranslationServiceFacade.UseAzureGovernment = this.useAzureGovernment;
             TranslationServices.Core.TranslationServiceFacade.UseCustomEndpoint = this.useCustomEndpoint;
diff --git a/TranslationServices.Core/AzureLinkType.cs b/TranslationServices.Core/AzureLinkType.cs
new file mode 100644
index 0000000..94324cc
--- /dev/null
+++ b/TranslationServices.Core/AzureLinkType.cs
@@ -0,0 +1,9 @@
+namespace TranslationAssistant.TranslationServices.Core
+{
+    public enum AzureLinkType
+    {
+        Global = 0,
+        Government,
+        China
+    }
+}
diff --git a/TranslationServices.Core/Properties/Settings.Designer.cs b/TranslationServices.Core/Properties/Settings.Designer.cs
index bda8587..f5b53a8 100644
--- a/TranslationServices.Core/Properties/Settings.Designer.cs
+++ b/TranslationServices.Core/Properties/Settings.Designer.cs
@@ -1,10 +1,10 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
+//     此代码由工具生成。
+//     运行时版本:4.0.30319.42000
 //
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
+//     对此文件的更改可能会导致不正确的行为，并且如果
+//     重新生成代码，这些更改将会丢失。
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -141,5 +141,29 @@ public bool ShowExperimental {
                 this["ShowExperimental"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("")]
+        public string Region {
+            get {
+                return ((string)(this["Region"]));
+            }
+            set {
+                this["Region"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("Global")]
+        public global::TranslationAssistant.TranslationServices.Core.AzureLinkType LinkType {
+            get {
+                return ((global::TranslationAssistant.TranslationServices.Core.AzureLinkType)(this["LinkType"]));
+            }
+            set {
+                this["LinkType"] = value;
+            }
+        }
     }
 }
diff --git a/TranslationServices.Core/Properties/Settings.settings b/TranslationServices.Core/Properties/Settings.settings
index 6a6f23f..87b3dba 100644
--- a/TranslationServices.Core/Properties/Settings.settings
+++ b/TranslationServices.Core/Properties/Settings.settings
@@ -32,5 +32,11 @@
     <Setting Name="ShowExperimental" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="Region" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
+    <Setting Name="LinkType" Type="TranslationAssistant.TranslationServices.Core.AzureLinkType" Scope="User">
+      <Value Profile="(Default)">Global</Value>
+    </Setting>
   </Settings>
 </SettingsFile>
\ No newline at end of file
diff --git a/TranslationServices.Core/TranslationServiceFacade.cs b/TranslationServices.Core/TranslationServiceFacade.cs
index 79e6dfa..2a6545b 100644
--- a/TranslationServices.Core/TranslationServiceFacade.cs
+++ b/TranslationServices.Core/TranslationServiceFacade.cs
@@ -41,10 +41,12 @@ public static partial class TranslationServiceFacade
         private const int maxrequestsize = 5000;   //service size is 5000
         private const int maxelements = 100;
         public static string CategoryID { get; set; }
+        public static string Region { get; set; }
         public static string AppId { get; set; }
         public static string AdvCategoryId { get; set; }
         public static bool UseAdvancedSettings { get; set; }
         public static bool UseAzureGovernment { get; set; }
+        public static AzureLinkType LinkType { get; set; }
         /// <summary>
         /// Holds the setting whether to use a container offline
         /// </summary>
@@ -77,8 +79,9 @@ public static partial class TranslationServiceFacade
         /// <summary>
         /// End point address for V3 of the Translator API
         /// </summary>
-        public static string EndPointAddressV3Public { get; set; } = "https://api.cognitive.microsofttranslator.com";
-        public static string EndPointAddressV3Gov { get; set; } = "https://api.cognitive.microsofttranslator.us";
+        private static string EndPointAddressV3Public => "https://api.cognitive.microsofttranslator.com";
+        private static string EndPointAddressV3Gov => "https://api.cognitive.microsofttranslator.us";
+        private static string EndPointAddressV3China => "https://api.translator.azure.cn";
         public static Dictionary<string, string> AvailableLanguages { get; } = new Dictionary<string, string>();
         public static int Maxrequestsize { get => maxrequestsize; }
         public static int Maxelements { get => maxelements; }
@@ -102,6 +105,30 @@ private enum AuthMode { Azure, AppId, Container, Disconnected };
 
         #region Public Methods and Operators
 
+        private static string GetBasicUri(AzureLinkType linkType)
+        {
+            switch (linkType)
+            {
+                case AzureLinkType.China:
+                    return EndPointAddressV3China;
+                case AzureLinkType.Government:
+                    return EndPointAddressV3Gov;
+                case AzureLinkType.Global:
+                default:
+                    return EndPointAddressV3Public;
+            }
+        }
+
+        private static void SetupRequest(HttpRequestMessage request, HttpMethod method, string uri, string requestBody)
+        {
+            request.Method = method;
+            request.RequestUri = new Uri(uri);
+            request.Content = new StringContent(requestBody, Encoding.UTF8, "application/json");
+            request.Headers.Add("Ocp-Apim-Subscription-Key", AzureKey);
+            if (LinkType == AzureLinkType.China && !string.IsNullOrEmpty(Region))
+                request.Headers.Add("Ocp-Apim-Subscription-Region", Region);
+        }
+
         /// <summary>
         /// Detect the languages of the input
         /// </summary>
@@ -109,19 +136,15 @@ private enum AuthMode { Azure, AppId, Container, Disconnected };
         /// <returns></returns>
         private static async Task<string> DetectInternalAsync(string input, bool pretty = false)
         {
-            string uri = (UseAzureGovernment ? EndPointAddressV3Gov : EndPointAddressV3Public) + "/detect?api-version=3.0";
+            string uri = GetBasicUri(LinkType) + "/detect?api-version=3.0";
             string result = String.Empty;
             object[] body = new object[] { new { Text = input } };
-            using (HttpClient client = new HttpClient())
-            using (HttpRequestMessage request = new HttpRequestMessage())
+            using (var client = new HttpClient())
+            using (var request = new HttpRequestMessage())
             {
                 client.Timeout = TimeSpan.FromSeconds(2);
-                request.Method = HttpMethod.Post;
-                request.RequestUri = new Uri(uri);
-                string requestBody = JsonConvert.SerializeObject(body);
-                request.Content = new StringContent(requestBody, Encoding.UTF8, "application/json");
-                request.Headers.Add("Ocp-Apim-Subscription-Key", AzureKey);
-                HttpResponseMessage response = new HttpResponseMessage();
+                SetupRequest(request, HttpMethod.Post, uri, JsonConvert.SerializeObject(body));
+                var response = new HttpResponseMessage();
                 try
                 {
                     response = await client.SendAsync(request).ConfigureAwait(false);
@@ -321,7 +344,7 @@ private static async void GetLanguages()
                 ContainerGetLanguages();
                 return;
             }
-            string uri = (UseAzureGovernment ? EndPointAddressV3Gov : EndPointAddressV3Public) + "/languages?api-version=3.0&scope=translation";
+            string uri = GetBasicUri(LinkType) + "/languages?api-version=3.0&scope=translation";
             if (ShowExperimental) uri += "&flight=experimental";
 
             try
@@ -364,6 +387,8 @@ private static async void GetLanguages()
         private static void LoadCredentials()
         {
             AzureKey = Properties.Settings.Default.AzureKey;
+            LinkType = Properties.Settings.Default.LinkType;
+            Region = Properties.Settings.Default.Region;
             CategoryID = Properties.Settings.Default.CategoryID;
             AppId = Properties.Settings.Default.AppId;
             UseAdvancedSettings = Properties.Settings.Default.UseAdvancedSettings;
@@ -380,6 +405,8 @@ private static void LoadCredentials()
         public static void SaveCredentials()
         {
             Properties.Settings.Default.AzureKey = AzureKey;
+            Properties.Settings.Default.LinkType = LinkType;
+            Properties.Settings.Default.Region = Region;
             Properties.Settings.Default.CategoryID = CategoryID;
             Properties.Settings.Default.AppId = AppId;
             Properties.Settings.Default.UseAdvancedSettings = UseAdvancedSettings;
@@ -597,10 +624,7 @@ public static async Task<string> Dictionary(string text, string from, string to)
             using (var client = new HttpClient())
             using (var request = new HttpRequestMessage())
             {
-                request.Method = HttpMethod.Post;
-                request.RequestUri = new Uri(uri);
-                request.Content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, "application/json");
-                request.Headers.Add("Ocp-Apim-Subscription-Key", AzureKey);
+                SetupRequest(request, HttpMethod.Post, uri, JsonConvert.SerializeObject(body));
                 var response = client.SendAsync(request).Result;
                 var jsonResponse = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
                 return jsonResponse;
@@ -624,19 +648,15 @@ public static async Task<List<int>> BreakSentencesAsync(string text, string lang
             if (String.IsNullOrEmpty(text) || String.IsNullOrWhiteSpace(text)) return null;
             string path = "/breaksentence?api-version=3.0";
             string params_ = "&language=" + languagecode;
-            string uri = EndPointAddressV3Public + path + params_;
-            if (UseAzureGovernment) uri = EndPointAddressV3Gov + path + params_;
+            string uri = GetBasicUri(LinkType) + path + params_;
+
             object[] body = new object[] { new { Text = text.Substring(0, (text.Length < Maxrequestsize) ? text.Length : Maxrequestsize) } };
-            string requestBody = JsonConvert.SerializeObject(body);
             List<int> resultList = new List<int>();
 
-            using (HttpClient client = new HttpClient())
-            using (HttpRequestMessage request = new HttpRequestMessage())
+            using (var client = new HttpClient())
+            using (var request = new HttpRequestMessage())
             {
-                request.Method = HttpMethod.Post;
-                request.RequestUri = new Uri(uri);
-                request.Content = new StringContent(requestBody, Encoding.UTF8, "application/json");
-                request.Headers.Add("Ocp-Apim-Subscription-Key", AzureKey);
+                SetupRequest(request, HttpMethod.Post, uri, JsonConvert.SerializeObject(body));
                 HttpResponseMessage response = await client.SendAsync(request).ConfigureAwait(false);
                 string result = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
                 BreakSentenceResult[] deserializedOutput = JsonConvert.DeserializeObject<BreakSentenceResult[]>(result);
@@ -736,9 +756,7 @@ private static async Task<string[]> TranslateV3AsyncInternal(
                 }
                 if (thiscategory != null) params_ += "&category=" + System.Web.HttpUtility.UrlEncode(category);
                 if (contentType == ContentType.HTML) params_ += "&textType=HTML";
-                string uri = EndPointAddressV3Public + path + params_;
-                if (UseAzureGovernment) uri = EndPointAddressV3Gov + path + params_;
-
+                string uri = GetBasicUri(LinkType) + path + params_;
 
                 ArrayList requestAL = new ArrayList();
                 foreach (string text in texts)
@@ -753,11 +771,8 @@ private static async Task<string[]> TranslateV3AsyncInternal(
                     var client = new HttpClient();
                     var request = new HttpRequestMessage();
                     client.Timeout = TimeSpan.FromSeconds(20);
-                    request.Method = HttpMethod.Post;
-                    request.RequestUri = new Uri(uri);
-                    request.Content = new StringContent(requestJson, Encoding.UTF8, "application/json");
-                    request.Headers.Add("Ocp-Apim-Subscription-Key", AzureKey);
-                    HttpResponseMessage response = new HttpResponseMessage();
+                    SetupRequest(request, HttpMethod.Post, uri, requestJson);
+                    var response = new HttpResponseMessage();
                     response.StatusCode = System.Net.HttpStatusCode.RequestTimeout;
                     string responseBody = string.Empty;
 
diff --git a/TranslationServices.Core/TranslationServices.Core.csproj b/TranslationServices.Core/TranslationServices.Core.csproj
index 28f5f39..91cf73b 100644
--- a/TranslationServices.Core/TranslationServices.Core.csproj
+++ b/TranslationServices.Core/TranslationServices.Core.csproj
@@ -45,6 +45,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="AzureLinkType.cs" />
     <Compile Include="Constants.cs" />
     <Compile Include="ContainerSpecifics.cs" />
     <Compile Include="CustomLanguages.cs" />
diff --git a/TranslationServices.Core/app.config b/TranslationServices.Core/app.config
index 3d0ee6b..288543a 100644
--- a/TranslationServices.Core/app.config
+++ b/TranslationServices.Core/app.config
@@ -40,6 +40,12 @@
             <setting name="ShowExperimental" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="Region" serializeAs="String">
+                <value />
+            </setting>
+            <setting name="LinkType" serializeAs="String">
+                <value>Global</value>
+            </setting>
         </TranslationAssistant.TranslationServices.Core.Properties.Settings>
         <TranslationAssistant.TranslationServices.Core.DocumentTranslator>
             <setting name="AzureKey" serializeAs="String">