update demo

src/Shared/HandyControl_Shared/Properties/Langs/Lang.Designer.cs

@@ -249,6 +249,15 @@ namespace HandyControl.Properties.Langs {
             }
         }
         
+        /// <summary>
+        ///   查找类似 查找类似 {0} 的本地化字符串。 的本地化字符串。
+        /// </summary>
+        public static string LangComment {
+            get {
+                return ResourceManager.GetString("LangComment", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 下一页 的本地化字符串。
         /// </summary>

src/Shared/HandyControl_Shared/Properties/Langs/Lang.en.resx

@@ -228,4 +228,7 @@
   <data name="Find" xml:space="preserve">
     <value>Find</value>
   </data>
+  <data name="LangComment" xml:space="preserve">
+    <value>Looks up a localized string similar to "{0}".</value>
+  </data>
 </root>

src/Shared/HandyControl_Shared/Properties/Langs/Lang.fa.resx

@@ -228,4 +228,7 @@
   <data name="Find" xml:space="preserve">
     <value>Find</value>
   </data>
+  <data name="LangComment" xml:space="preserve">
+    <value>Looks up a localized string similar to "{0}".</value>
+  </data>
 </root>

src/Shared/HandyControl_Shared/Properties/Langs/Lang.fr.resx

@@ -228,4 +228,7 @@
   <data name="Find" xml:space="preserve">
     <value>Find</value>
   </data>
+  <data name="LangComment" xml:space="preserve">
+    <value>Looks up a localized string similar to "{0}".</value>
+  </data>
 </root>

src/Shared/HandyControl_Shared/Properties/Langs/Lang.ko-KR.resx

@@ -228,4 +228,7 @@
   <data name="Find" xml:space="preserve">
     <value>Find</value>
   </data>
+  <data name="LangComment" xml:space="preserve">
+    <value>Looks up a localized string similar to "{0}".</value>
+  </data>
 </root>

src/Shared/HandyControl_Shared/Properties/Langs/Lang.resx

@@ -228,4 +228,7 @@
   <data name="Find" xml:space="preserve">
     <value>查找</value>
   </data>
+  <data name="LangComment" xml:space="preserve">
+    <value>查找类似 {0} 的本地化字符串。</value>
+  </data>
 </root>

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

@@ -26,6 +26,8 @@ namespace HandyControl.Properties.Langs
             }
         }
 
+        public static string GetLang(string key) => Lang.ResourceManager.GetString(key, Culture);
+
         public static void SetLang(DependencyObject dependencyObject, DependencyProperty dependencyProperty, string key) =>
             BindingOperations.SetBinding(dependencyObject, dependencyProperty, new Binding(key)
             {
@@ -56,6 +58,7 @@ namespace HandyControl.Properties.Langs
 			OnPropertyChanged(nameof(Interval30s));
 			OnPropertyChanged(nameof(Interval5m));
 			OnPropertyChanged(nameof(IsNecessary));
+			OnPropertyChanged(nameof(LangComment));
 			OnPropertyChanged(nameof(NextPage));
 			OnPropertyChanged(nameof(No));
 			OnPropertyChanged(nameof(OutOfRange));
@@ -179,6 +182,11 @@ namespace HandyControl.Properties.Langs
         /// </summary>
 		public string IsNecessary => Lang.IsNecessary;
 
+        /// <summary>
+        ///   查找类似 查找类似 {0} 的本地化字符串。 的本地化字符串。
+        /// </summary>
+		public string LangComment => Lang.LangComment;
+
         /// <summary>
         ///   查找类似 下一页 的本地化字符串。
         /// </summary>
@@ -373,6 +381,11 @@ namespace HandyControl.Properties.Langs
         /// </summary>
 		public static string IsNecessary = nameof(IsNecessary);
 
+        /// <summary>
+        ///   查找类似 查找类似 {0} 的本地化字符串。 的本地化字符串。
+        /// </summary>
+		public static string LangComment = nameof(LangComment);
+
         /// <summary>
         ///   查找类似 下一页 的本地化字符串。
         /// </summary>

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

@@ -13,7 +13,7 @@
     {
         langDic[item] = 
         @$"/// <summary>
-        ///   查找类似 {Lang.ResourceManager.GetString(item, Lang.Culture)} 的本地化字符串。
+        ///   {string.Format(Lang.LangComment, Lang.ResourceManager.GetString(item, Lang.Culture))}
         /// </summary>";
     }
 #>
@@ -45,6 +45,8 @@ namespace HandyControl.Properties.Langs
             }
         }
 
+        public static string GetLang(string key) => Lang.ResourceManager.GetString(key, Culture);
+
         public static void SetLang(DependencyObject dependencyObject, DependencyProperty dependencyProperty, string key) =>
             BindingOperations.SetBinding(dependencyObject, dependencyProperty, new Binding(key)
             {