Revised examples to include output (#928)

Author: Ron Petrusha

snippets/cpp/VS_Snippets_Data/XmlReader_Validate_SchemaSet/CPP/XmlReader_Validate_SchemaSet.cpp

@@ -10,7 +10,8 @@ using namespace System::IO;
 // Display any validation errors.
 static void ValidationCallBack( Object^ /*sender*/, ValidationEventArgs^ e )
 {
-   Console::WriteLine( L"Validation Error: {0}", e->Message );
+   Console::WriteLine( L"Validation Error:\n   {0}", e->Message );
+   Console::WriteLine();
 }
 
 int main()
@@ -25,7 +26,7 @@ int main()
    XmlReaderSettings^ settings = gcnew XmlReaderSettings;
    settings->ValidationType = ValidationType::Schema;
    settings->Schemas = sc;
-   settings->ValidationEventHandler += gcnew ValidationEventHandler( ValidationCallBack );
+   settings->ValidationEventHandler += gcnew ValidationEventHandler(ValidationCallBack);
 
    // Create the XmlReader object.
    XmlReader^ reader = XmlReader::Create( L"booksSchemaFail.xml", settings );
@@ -36,4 +37,14 @@ int main()
 
    return 1;
 }
+// The example displays output like the following:
+//   Validation Error: 
+//        The element 'book' in namespace 'urn:bookstore-schema' has invalid child element 'author' 
+//        in namespace 'urn:bookstore-schema'. List of possible elements expected: 'title' in 
+//        namespace 'urn:bookstore-schema'.
+//
+//    Validation Error: 
+//       The element 'author' in namespace 'urn:bookstore-schema' has invalid child element 'name' 
+//       in namespace 'urn:bookstore-schema'. List of possible elements expected: 'first-name' in 
+//       namespace 'urn:bookstore-schema'.
 //</snippet1>

snippets/csharp/VS_Snippets_Data/XmlReader_Validate_SchemaSet/CS/validschemaset.cs

@@ -1,11 +1,11 @@
-//<snippet1>
+// <Snippet1>
 using System;
 using System.Xml;
 using System.Xml.Schema;
 using System.IO;
 
-public class Sample {
-
+public class Sample 
+{
   public static void Main() {
 
     // Create the XmlSchemaSet class.
@@ -18,19 +18,28 @@ public static void Main() {
     XmlReaderSettings settings = new XmlReaderSettings();
     settings.ValidationType = ValidationType.Schema;
     settings.Schemas = sc;
-    settings.ValidationEventHandler += new ValidationEventHandler (ValidationCallBack);
+    settings.ValidationEventHandler += ValidationCallBack;
 
     // Create the XmlReader object.
     XmlReader reader = XmlReader.Create("booksSchemaFail.xml", settings);
 
     // Parse the file. 
     while (reader.Read());
-    
   }
 
   // Display any validation errors.
   private static void ValidationCallBack(object sender, ValidationEventArgs e) {
-    Console.WriteLine("Validation Error: {0}", e.Message);
+    Console.WriteLine($"Validation Error:\n   {e.Message}\n");
   }
 }
-//</snippet1>
+// The example displays output like the following:
+//   Validation Error: 
+//        The element 'book' in namespace 'urn:bookstore-schema' has invalid child element 'author' 
+//        in namespace 'urn:bookstore-schema'. List of possible elements expected: 'title' in 
+//        namespace 'urn:bookstore-schema'.
+//
+//    Validation Error: 
+//       The element 'author' in namespace 'urn:bookstore-schema' has invalid child element 'name' 
+//       in namespace 'urn:bookstore-schema'. List of possible elements expected: 'first-name' in 
+//       namespace 'urn:bookstore-schema'.
+// </Snippet1>

snippets/visualbasic/VS_Snippets_Data/XmlReader_Validate_SchemaSet/VB/validschemaset.vb

@@ -1,12 +1,10 @@
-'<snippet1>
-Imports System
+' <Snippet1>
 Imports System.Xml
 Imports System.Xml.Schema
 Imports System.IO
 
-public class Sample 
-
-  public shared sub Main() 
+Public Module Sample 
+  Public Sub Main() 
 
     ' Create the XmlSchemaSet class.
     Dim sc as XmlSchemaSet = new XmlSchemaSet()
@@ -24,14 +22,25 @@ public class Sample
     Dim reader as XmlReader = XmlReader.Create("booksSchemaFail.xml", settings)
 
     ' Parse the file. 
-    while reader.Read()
-    end while
+    While reader.Read()
+    End While
 
-  end sub
+  End Sub
 
   ' Display any validation errors.
-  private shared sub ValidationCallBack(sender as object, e as ValidationEventArgs) 
-    Console.WriteLine("Validation Error: {0}", e.Message)
-  end sub
-end class
-'</snippet1>
+  Private Sub ValidationCallBack(sender as object, e as ValidationEventArgs) 
+    Console.WriteLine($"Validation Error:{vbCrLf}   {e.Message}")
+    Console.WriteLine()
+  End Sub
+End Module
+' The example displays output like the following:
+'   Validation Error: 
+'        The element 'book' in namespace 'urn:bookstore-schema' has invalid child element 'author' 
+'        in namespace 'urn:bookstore-schema'. List of possible elements expected: 'title' in 
+'        namespace 'urn:bookstore-schema'.
+'
+'    Validation Error: 
+'       The element 'author' in namespace 'urn:bookstore-schema' has invalid child element 'name' 
+'       in namespace 'urn:bookstore-schema'. List of possible elements expected: 'first-name' in 
+'       namespace 'urn:bookstore-schema'.
+' </Snippet1>