Use interpolated strings (CFX dir)

samples/snippets/csharp/VS_Snippets_CFX/CFX_ActivityExample/cs/Program.cs

@@ -1,4 +1,4 @@
 using System;
 using System.Linq;
 using System.Activities;
 using System.Activities.Statements;
@@ -375,7 +375,7 @@
             // asynchronously with respect to the workflow thread.
             Thread.Sleep(5000);
 
-            Console.WriteLine("Random Number: {0}", r.Next(1, 101));
+            Console.WriteLine($"Random Number: {r.Next(1, 101)}");
         }
     }
     //</snippet11>

samples/snippets/csharp/VS_Snippets_CFX/CFX_CompensationExample/cs/Program.cs

@@ -1,4 +1,4 @@
 using System;
 using System.Linq;
 using System.Activities;
 using System.Activities.Statements;
@@ -261,9 +261,10 @@
             {
                 if (e.TerminationException != null)
                 {
-                    Console.WriteLine("Workflow terminated with exception:\n{0}: {1}",
-                        e.TerminationException.GetType().FullName,
-                        e.TerminationException.Message);
+                    Console.WriteLine($"""
+                    Workflow terminated with exception:
+                    {e.TerminationException.GetType().FullName}: {e.TerminationException.Message}
+                    """);
                 }
                 else
                 {
@@ -275,9 +276,10 @@
 
             wfApp.OnUnhandledException = delegate(WorkflowApplicationUnhandledExceptionEventArgs e)
             {
-                Console.WriteLine("Workflow Unhandled Exception:\n{0}: {1}",
-                    e.UnhandledException.GetType().FullName,
-                    e.UnhandledException.Message);
+                Console.WriteLine($"""
+                Workflow Unhandled Exception:
+                {e.UnhandledException.GetType().FullName}: {e.UnhandledException.Message}
+                """);
 
                 return UnhandledExceptionAction.Cancel;
             };

samples/snippets/csharp/VS_Snippets_CFX/auditingsecurityevents/cs/auditingsecurityevents.cs

@@ -1,4 +1,4 @@
 
 //  Copyright (c) Microsoft Corporation.  All Rights Reserved.
 
 using System;
@@ -29,31 +29,31 @@
         public double Add(double n1, double n2)
         {
             double result = n1 + n2;
-            Console.WriteLine("Received Add({0},{1})", n1, n2);
+            Console.WriteLine($"Received Add({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Subtract(double n1, double n2)
         {
             double result = n1 - n2;
-            Console.WriteLine("Received Subtract({0},{1})", n1, n2);
+            Console.WriteLine($"Received Subtract({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Multiply(double n1, double n2)
         {
             double result = n1 * n2;
-            Console.WriteLine("Received Multiply({0},{1})", n1, n2);
+            Console.WriteLine($"Received Multiply({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Divide(double n1, double n2)
         {
             double result = n1 / n2;
-            Console.WriteLine("Received Divide({0},{1})", n1, n2);
+            Console.WriteLine($"Received Divide({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }

samples/snippets/csharp/VS_Snippets_CFX/c_customauthmgr/cs/c_customauthmgr.cs

@@ -55,7 +55,7 @@ public class CalculatorService : ICalculator
 	public double Add(double n1, double n2)
 	{
 	  double result = n1 + n2;
-	  Console.WriteLine("Received Add({0},{1})", n1, n2);
+	  Console.WriteLine($"Received Add({n1},{n2})");
 	  Console.WriteLine($"Return: {result}");
 	  return result;
 	}

samples/snippets/csharp/VS_Snippets_CFX/c_customauthpol/cs/c_customauthpol.cs

@@ -169,7 +169,7 @@ public class CalculatorService : ICalculator
         public double Add(double n1, double n2)
         {
             double result = n1 + n2;
-            Console.WriteLine("Received Add({0},{1})", n1, n2);
+            Console.WriteLine($"Received Add({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }

samples/snippets/csharp/VS_Snippets_CFX/c_customcredentials/cs/source.cs

@@ -1,4 +1,4 @@
-//<snippet0>
+//<snippet0>
 using System;
 using System.IdentityModel.Selectors;
 using System.ServiceModel;
@@ -242,7 +242,7 @@ static void Main()
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Closing the client closes the connection and cleans up resources.
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_duplexservices/cs/client.cs

@@ -1,4 +1,4 @@
-
+
 //  Copyright (c) Microsoft Corporation.  All Rights Reserved.
 
 using System;
@@ -14,12 +14,12 @@
     {
         public void Equals(double result)
         {
-            Console.WriteLine("Equals({0})", result);
+            Console.WriteLine($"Equals({result})");
         }
 
         public void Equation(string eqn)
         {
-            Console.WriteLine("Equation({0})", eqn);
+            Console.WriteLine($"Equation({eqn})");
         }
     }
     //</snippet2>

samples/snippets/csharp/VS_Snippets_CFX/c_how_to_cf_async/cs/client.cs

@@ -1,4 +1,4 @@
 
 //  Copyright (c) Microsoft Corporation.  All Rights Reserved.
 
 using System;
@@ -26,25 +26,25 @@
           double value2 = 15.99D;
 
           IAsyncResult arAdd = channelClient.BeginAdd(value1, value2, AddCallback, channelClient);
-          Console.WriteLine("Add({0},{1})", value1, value2);
+          Console.WriteLine($"Add({value1},{value2})");
           //</snippet3>
           // BeginSubtract
           value1 = 145.00D;
           value2 = 76.54D;
           IAsyncResult arSubtract = channelClient.BeginSubtract(value1, value2, SubtractCallback, channelClient);
-          Console.WriteLine("Subtract({0},{1})", value1, value2);
+          Console.WriteLine($"Subtract({value1},{value2})");
 
           // Multiply
           value1 = 9.00D;
           value2 = 81.25D;
           double result = channelClient.Multiply(value1, value2);
-          Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+          Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
           // Divide
           value1 = 22.00D;
           value2 = 7.00D;
           result = channelClient.Divide(value1, value2);
-          Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+          Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
           Console.ReadLine();
 

samples/snippets/csharp/VS_Snippets_CFX/c_howto_codeclientbinding/cs/client.cs

@@ -1,4 +1,4 @@
-//code for c_HowTo_CodeClientBindings client
+//code for c_HowTo_CodeClientBindings client
 
 using System;
 using System.ServiceModel;
@@ -121,25 +121,25 @@
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Call the Subtract service operation.
             value1 = 145.00D;
             value2 = 76.54D;
             result = client.Subtract(value1, value2);
-            Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Subtract({value1},{value2}) = {result}");
 
             // Call the Multiply service operation.
             value1 = 9.00D;
             value2 = 81.25D;
             result = client.Multiply(value1, value2);
-            Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
             // Call the Divide service operation.
             value1 = 22.00D;
             value2 = 7.00D;
             result = client.Divide(value1, value2);
-            Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
             //Closing the client gracefully closes the connection and cleans up resources
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_howto_configureclientbinding/cs/client.cs

@@ -1,4 +1,4 @@
-//<snippet3>
+//<snippet3>
 
 using System;
 using System.ServiceModel;
@@ -18,25 +18,25 @@
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Call the Subtract service operation.
             value1 = 145.00D;
             value2 = 76.54D;
             result = client.Subtract(value1, value2);
-            Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Subtract({value1},{value2}) = {result}");
 
             // Call the Multiply service operation.
             value1 = 9.00D;
             value2 = 81.25D;
             result = client.Multiply(value1, value2);
-            Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
             // Call the Divide service operation.
             value1 = 22.00D;
             value2 = 7.00D;
             result = client.Divide(value1, value2);
-            Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
             //Closing the client gracefully closes the connection and cleans up resources
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_howto_createreliablesessionhttps/cs/client.cs

@@ -1,4 +1,4 @@
-// This is the code for the topic: How to: Create a Custom Reliable Session Binding with HTTPS
+// This is the code for the topic: How to: Create a Custom Reliable Session Binding with HTTPS
 //<snippet1211>
 using System;
 using System.ServiceModel;
@@ -101,25 +101,25 @@
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Call the Subtract service operation.
             value1 = 145.00D;
             value2 = 76.54D;
             result = client.Subtract(value1, value2);
-            Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Subtract({value1},{value2}) = {result}");
 
             // Call the Multiply service operation.
             value1 = 9.00D;
             value2 = 81.25D;
             result = client.Multiply(value1, value2);
-            Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
             // Call the Divide service operation.
             value1 = 22.00D;
             value2 = 7.00D;
             result = client.Divide(value1, value2);
-            Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
             //Closing the client gracefully closes the connection and cleans up resources
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_howto_hostinwas/cs/client.cs

@@ -1,4 +1,4 @@
-// This is the code for the topic: How to: Host a WCF Service in WAS
+// This is the code for the topic: How to: Host a WCF Service in WAS
 //<snippet1211>
 
 using System;
@@ -97,25 +97,25 @@
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Call the Subtract service operation.
             value1 = 145.00D;
             value2 = 76.54D;
             result = client.Subtract(value1, value2);
-            Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Subtract({value1},{value2}) = {result}");
 
             // Call the Multiply service operation.
             value1 = 9.00D;
             value2 = 81.25D;
             result = client.Multiply(value1, value2);
-            Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
             // Call the Divide service operation.
             value1 = 22.00D;
             value2 = 7.00D;
             result = client.Divide(value1, value2);
-            Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
             //Closing the client gracefully closes the connection and cleans up resources
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_howto_usereliablesession/cs/client.cs

@@ -1,4 +1,4 @@
-// This is the code for the topic: HowTo Use Reliable Session
+// This is the code for the topic: HowTo Use Reliable Session
 //<snippet1211>
 using System;
 using System.ServiceModel;
@@ -101,25 +101,25 @@
             double value1 = 100.00D;
             double value2 = 15.99D;
             double result = client.Add(value1, value2);
-            Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Add({value1},{value2}) = {result}");
 
             // Call the Subtract service operation.
             value1 = 145.00D;
             value2 = 76.54D;
             result = client.Subtract(value1, value2);
-            Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Subtract({value1},{value2}) = {result}");
 
             // Call the Multiply service operation.
             value1 = 9.00D;
             value2 = 81.25D;
             result = client.Multiply(value1, value2);
-            Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Multiply({value1},{value2}) = {result}");
 
             // Call the Divide service operation.
             value1 = 22.00D;
             value2 = 7.00D;
             result = client.Divide(value1, value2);
-            Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
+            Console.WriteLine($"Divide({value1},{value2}) = {result}");
 
             //Closing the client gracefully closes the connection and cleans up resources
             client.Close();

samples/snippets/csharp/VS_Snippets_CFX/c_howtosetcustomclientidentity/cs/source.cs

@@ -101,14 +101,14 @@ public static void CallServiceCustomClientIdentity(string endpointName)
                 double value1 = 100.00D;
                 double value2 = 15.99D;
                 double result = client.Add(value1, value2);
-                Console.WriteLine("Add({0},{1}) = {2}", value1, value2, result);
+                Console.WriteLine($"Add({value1},{value2}) = {result}");
                 Console.WriteLine();
 
                 // Call the Subtract service operation.
                 value1 = 145.00D;
                 value2 = 76.54D;
                 result = client.Subtract(value1, value2);
-                Console.WriteLine("Subtract({0},{1}) = {2}", value1, value2, result);
+                Console.WriteLine($"Subtract({value1},{value2}) = {result}");
             }
         }
 
@@ -215,31 +215,31 @@ public class CalculatorService : ICalculator
         public double Add(double n1, double n2)
         {
             double result = n1 + n2;
-            Console.WriteLine("Received Add({0},{1})", n1, n2);
+            Console.WriteLine($"Received Add({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Subtract(double n1, double n2)
         {
             double result = n1 - n2;
-            Console.WriteLine("Received Subtract({0},{1})", n1, n2);
+            Console.WriteLine($"Received Subtract({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Multiply(double n1, double n2)
         {
             double result = n1 * n2;
-            Console.WriteLine("Received Multiply({0},{1})", n1, n2);
+            Console.WriteLine($"Received Multiply({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }
 
         public double Divide(double n1, double n2)
         {
             double result = n1 / n2;
-            Console.WriteLine("Received Divide({0},{1})", n1, n2);
+            Console.WriteLine($"Received Divide({n1},{n2})");
             Console.WriteLine($"Return: {result}");
             return result;
         }