Reinstate supplemental remarks (System.Globalization, System.IO) (#12705)

Author: gewarren

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/Async1.cs

@@ -0,0 +1,39 @@
+// <Snippet14>
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Threading;
+using System.Threading.Tasks;
+
+public class Example14
+{
+    public static async Task Main()
+    {
+        var tasks = new List<Task>();
+        Console.WriteLine($"The current culture is {Thread.CurrentThread.CurrentCulture.Name}");
+        Thread.CurrentThread.CurrentCulture = new CultureInfo("pt-BR");
+        // Change the current culture to Portuguese (Brazil).
+        Console.WriteLine($"Current culture changed to {Thread.CurrentThread.CurrentCulture.Name}");
+        Console.WriteLine($"Application thread is thread {Thread.CurrentThread.ManagedThreadId}");
+        // Launch six tasks and display their current culture.
+        for (int ctr = 0; ctr <= 5; ctr++)
+            tasks.Add(Task.Run(() =>
+            {
+                Console.WriteLine($"Culture of task {Task.CurrentId} on thread {Thread.CurrentThread.ManagedThreadId} is {Thread.CurrentThread.CurrentCulture.Name}");
+            }));
+
+        await Task.WhenAll(tasks.ToArray());
+    }
+}
+
+// The example displays output like the following:
+//     The current culture is en-US
+//     Current culture changed to pt-BR
+//     Application thread is thread 9
+//     Culture of task 2 on thread 11 is pt-BR
+//     Culture of task 1 on thread 10 is pt-BR
+//     Culture of task 3 on thread 11 is pt-BR
+//     Culture of task 5 on thread 11 is pt-BR
+//     Culture of task 6 on thread 11 is pt-BR
+//     Culture of task 4 on thread 10 is pt-BR
+// </Snippet14>

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/Get1.cs

@@ -0,0 +1,16 @@
+// <Snippet5>
+using System;
+using System.Globalization;
+
+public class Example5
+{
+   public static void Main()
+   {
+      CultureInfo culture = CultureInfo.CurrentCulture;
+      Console.WriteLine($"The current culture is {culture.NativeName} [{culture.Name}]");
+   }
+}
+
+// The example displays output like the following:
+//       The current culture is English (United States) [en-US]
+// </Snippet5>

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/Program.cs

@@ -0,0 +1 @@
+SetCultureExample.Run();

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/aspculture1.cs

@@ -0,0 +1,29 @@
+// <Snippet11>
+using System;
+using System.Globalization;
+using System.Threading;
+
+public class Info11 : MarshalByRefObject
+{
+    public void ShowCurrentCulture()
+    {
+        Console.WriteLine($"Culture of thread {Thread.CurrentThread.Name}: {CultureInfo.CurrentCulture.Name}");
+    }
+}
+
+public class SetCultureExample
+{
+    public static void Run()
+    {
+        Info11 inf = new Info11();
+        // Set the current culture to Dutch (Netherlands).
+        Thread.CurrentThread.Name = "MainThread";
+        CultureInfo.CurrentCulture = CultureInfo.CreateSpecificCulture("nl-NL");
+        inf.ShowCurrentCulture();
+    }
+}
+
+// The example displays the following output:
+//
+//     Culture of thread MainThread: nl-NL
+// </Snippet11>

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/changeculture11.cs

@@ -1,7 +1,6 @@
 // <snippet11>
 using System;
 using System.Globalization;
-using System.Threading;
 
 public class Example0
 {
@@ -22,6 +21,7 @@ public static void Main()
       Console.WriteLine("CurrentUICulture is now {0}.", CultureInfo.CurrentUICulture.Name);
    }
 }
+
 // The example displays the following output:
 //       CurrentCulture is en-US.
 //       CurrentCulture is now th-TH.

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/currentculture.cs

@@ -2,8 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net4.8</TargetFramework>
-    <StartupObject>Example5</StartupObject>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/currentculture.csproj

@@ -19,6 +19,7 @@ public static void Main()
       Console.WriteLine("{0:C2}", value);
    }
 }
+
 // The example displays the following output:
 //       Current Culture: fr-CA
 //       1 634,92 $

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/specific1.cs

@@ -0,0 +1,27 @@
+// <Snippet12>
+using System;
+using System.Globalization;
+using System.Threading;
+
+public class Example12
+{
+   public static void Main()
+   {
+      double value = 1634.92;
+      CultureInfo.CurrentCulture = new CultureInfo("fr-CA");
+      Console.WriteLine($"Current Culture: {CultureInfo.CurrentCulture.Name}");
+      Console.WriteLine($"{value:C2}\n");
+
+      Thread.CurrentThread.CurrentCulture = new CultureInfo("fr");
+      Console.WriteLine($"Current Culture: {CultureInfo.CurrentCulture.Name}");
+      Console.WriteLine($"{value:C2}");
+   }
+}
+
+// The example displays the following output:
+//       Current Culture: fr-CA
+//       1 634,92 $
+//
+//       Current Culture: fr
+//       1 634,92 €
+// </Snippet12>

snippets/csharp/System.Globalization/CultureInfo/CurrentCulture/specific12.cs

@@ -0,0 +1,40 @@
+// <Snippet14>
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Runtime.Versioning;
+using System.Threading;
+using System.Threading.Tasks;
+
+public class Example
+{
+    public static async Task Main()
+    {
+        var tasks = new List<Task>();
+        Console.WriteLine($"The current UI culture is {Thread.CurrentThread.CurrentUICulture.Name}");
+        Thread.CurrentThread.CurrentUICulture = new CultureInfo("pt-BR");
+        // Change the current UI culture to Portuguese (Brazil).
+        Console.WriteLine($"Current UI culture changed to {Thread.CurrentThread.CurrentUICulture.Name}");
+        Console.WriteLine($"Application thread is thread {Thread.CurrentThread.ManagedThreadId}");
+        // Launch six tasks and display their current culture.
+        for (int ctr = 0; ctr <= 5; ctr++)
+            tasks.Add(Task.Run(() =>
+            {
+                Console.WriteLine($"UI Culture of task {Task.CurrentId} on thread {Thread.CurrentThread.ManagedThreadId} is {Thread.CurrentThread.CurrentUICulture.Name}");
+            }));
+
+        await Task.WhenAll(tasks.ToArray());
+    }
+}
+
+// The example displays output like the following:
+//     The current UI culture is en-US
+//     Current UI culture changed to pt-BR
+//     Application thread is thread 9
+//     UI Culture of task 2 on thread 11 is pt-BR
+//     UI Culture of task 1 on thread 10 is pt-BR
+//     UI Culture of task 3 on thread 11 is pt-BR
+//     UI Culture of task 5 on thread 11 is pt-BR
+//     UI Culture of task 6 on thread 11 is pt-BR
+//     UI Culture of task 4 on thread 10 is pt-BR
+// </Snippet14>