Convert to interpolated strings (standard, code-analysis, ml) (#45440)

Author: gewarren

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1003.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ca1003
 {
@@ -35,7 +35,7 @@ public ClassThatHandlesEvent(ClassThatRaisesEvent eventRaiser)
 
         private void HandleEvent(object sender, CustomEventArgs e)
         {
-            Console.WriteLine("Event handled: {0}", e.info);
+            Console.WriteLine($"Event handled: {e.info}");
         }
     }
 
@@ -84,7 +84,7 @@ public ClassThatHandlesEvent(ClassThatRaisesEvent eventRaiser)
 
         private void HandleEvent(object? sender, CustomEventArgs e)
         {
-            Console.WriteLine("Event handled: {0}", e.info);
+            Console.WriteLine($"Event handled: {e.info}");
         }
     }
 

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1021.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ca1021
 {
@@ -142,8 +142,7 @@ static void UseTheComplicatedClass()
                 // The call to the library.
                 disposition[i] = BadRefAndOut.ReplyInformation(
                    t, out reply[i], ref action[i]);
-                Console.WriteLine("Reply: {0} Action: {1}  return? {2} ",
-                   reply[i], action[i], disposition[i]);
+                Console.WriteLine($"Reply: {reply[i]} Action: {action[i]}  return? {disposition[i]} ");
                 i++;
             }
         }

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1031.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 
 namespace ca1031
@@ -18,7 +18,7 @@ public GenericExceptionsCaught(string inFile, string outFile)
             }
             catch (SystemException)
             {
-                Console.WriteLine("Unable to open {0}.", inFile);
+                Console.WriteLine($"Unable to open {inFile}.");
             }
 
             try
@@ -27,7 +27,7 @@ public GenericExceptionsCaught(string inFile, string outFile)
             }
             catch
             {
-                Console.WriteLine("Unable to open {0}.", outFile);
+                Console.WriteLine($"Unable to open {outFile}.");
             }
         }
     }
@@ -47,7 +47,7 @@ public GenericExceptionsCaughtFixed(string inFile, string outFile)
             // Fix the first violation by catching a specific exception.
             catch (FileNotFoundException)
             {
-                Console.WriteLine("Unable to open {0}.", inFile);
+                Console.WriteLine($"Unable to open {inFile}.");
             };
 
             // For functionally equivalent code, also catch 
@@ -62,7 +62,7 @@ public GenericExceptionsCaughtFixed(string inFile, string outFile)
             // exception at the end of the catch block.
             catch
             {
-                Console.WriteLine("Unable to open {0}.", outFile);
+                Console.WriteLine($"Unable to open {outFile}.");
                 throw;
             }
         }

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1036.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Globalization;
 
 //<snippet1>
@@ -128,7 +128,7 @@ public static void Main1036(params string[] args)
         else
             answer = "equal to";
 
-        Console.WriteLine("{0} is {1} {2}", r1.Rating, answer, r2.Rating);
+        Console.WriteLine($"{r1.Rating} is {answer} {r2.Rating}");
     }
 }
 //</snippet2>

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1045.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ca1045
 {
@@ -144,8 +144,7 @@ static void UseTheComplicatedClass()
                 // The call to the library.
                 disposition[i] = BadRefAndOut.ReplyInformation(
                    t, out reply[i], ref action[i]);
-                Console.WriteLine("Reply: {0} Action: {1}  return? {2} ",
-                   reply[i], action[i], disposition[i]);
+                Console.WriteLine($"Reply: {reply[i]} Action: {action[i]}  return? {disposition[i]} ");
                 i++;
             }
         }

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca1046.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ca1046
 {
@@ -14,7 +14,7 @@ public MyReferenceType(int a, int b)
 
         public override string ToString()
         {
-            return String.Format("({0},{1})", a, b);
+            return String.Format($"({a},{b})");
         }
     }
     //</snippet1>
@@ -28,10 +28,10 @@ public static void Main1046()
             MyReferenceType b = new MyReferenceType(2, 2);
             MyReferenceType c = a;
 
-            Console.WriteLine("a = new {0} and b = new {1} are equal? {2}", a, b, a.Equals(b) ? "Yes" : "No");
-            Console.WriteLine("c and a are equal? {0}", c.Equals(a) ? "Yes" : "No");
-            Console.WriteLine("b and a are == ? {0}", b == a ? "Yes" : "No");
-            Console.WriteLine("c and a are == ? {0}", c == a ? "Yes" : "No");
+            Console.WriteLine($"a = new {a} and b = new {b} are equal? {(a.Equals(b) ? "Yes" : "No")}");
+            Console.WriteLine($"c and a are equal? {(c.Equals(a) ? "Yes" : "No")}");
+            Console.WriteLine($"b and a are == ? {(b == a ? "Yes" : "No")}");
+            Console.WriteLine($"c and a are == ? {(c == a ? "Yes" : "No")}");
         }
     }
     //</snippet2>

docs/fundamentals/code-analysis/quality-rules/snippets/csharp/all-rules/ca2214.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ca2214
 {
@@ -29,7 +29,7 @@ public DerivedType()
         }
         public override void DoSomething()
         {
-            Console.WriteLine("Derived DoSomething is called - initialized ? {0}", initialized);
+            Console.WriteLine($"Derived DoSomething is called - initialized ? {initialized}");
         }
     }
 

docs/machine-learning/tutorials/snippets/github-issue-classification/csharp/Program.cs

@@ -1,4 +1,4 @@
-// <SnippetAddUsings>
+// <SnippetAddUsings>
 using Microsoft.ML;
 using GitHubIssueClassification;
 // </SnippetAddUsings>
@@ -186,5 +186,5 @@ void SaveModelAsFile(MLContext mlContext,DataViewSchema trainingDataViewSchema,
     mlContext.Model.Save(model, trainingDataViewSchema, _modelPath);
     // </SnippetSaveModel>
 
-    Console.WriteLine("The model is saved to {0}", _modelPath);
+    Console.WriteLine($"The model is saved to {_modelPath}");
 }

docs/machine-learning/tutorials/snippets/phone-calls-anomaly-detection/csharp/Program.cs

@@ -1,4 +1,4 @@
-// <SnippetAddUsings>
+// <SnippetAddUsings>
 using Microsoft.ML;
 using Microsoft.ML.TimeSeries;
 using PhoneCallsAnomalyDetection;
@@ -38,7 +38,7 @@ int DetectPeriod(MLContext mlContext, IDataView phoneCalls)
     // </SnippetDetectSeasonality>
 
     // <SnippetDisplayPeriod>
-    Console.WriteLine("Period of the series is: {0}.", period);
+    Console.WriteLine($"Period of the series is: {period}.");
     // </SnippetDisplayPeriod>
 
     return period;

docs/orleans/host/snippets/ExampleExternalProgram.cs

@@ -1,4 +1,4 @@
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
 using Orleans.Configuration;
@@ -84,7 +84,7 @@ class GameObserver : IGameObserver
 {
     public void UpdateGameScore(string score)
     {
-        Console.WriteLine("New game score: {0}", score);
+        Console.WriteLine($"New game score: {score}");
     }
 }
 // </gameobserver>