diff --git a/HTML to PDF/Blink/Access-a-webpage-using-HTTP-GET/.NET/Access-a-webpage-using-HTTP-GET/Program.cs b/HTML to PDF/Blink/Access-a-webpage-using-HTTP-GET/.NET/Access-a-webpage-using-HTTP-GET/Program.cs
index f0a37cb9..36ed9e4a 100644
--- a/HTML to PDF/Blink/Access-a-webpage-using-HTTP-GET/.NET/Access-a-webpage-using-HTTP-GET/Program.cs	
+++ b/HTML to PDF/Blink/Access-a-webpage-using-HTTP-GET/.NET/Access-a-webpage-using-HTTP-GET/Program.cs	
@@ -29,8 +29,10 @@
 PdfDocument document = htmlConverter.Convert(urlToConvert);
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Access-a-webpage-using-HTTP-POST/.NET/Access-a-webpage-using-HTTP-POST/Program.cs b/HTML to PDF/Blink/Access-a-webpage-using-HTTP-POST/.NET/Access-a-webpage-using-HTTP-POST/Program.cs
index 225e5efd..3a971064 100644
--- a/HTML to PDF/Blink/Access-a-webpage-using-HTTP-POST/.NET/Access-a-webpage-using-HTTP-POST/Program.cs	
+++ b/HTML to PDF/Blink/Access-a-webpage-using-HTTP-POST/.NET/Access-a-webpage-using-HTTP-POST/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.example.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Accessible_PDF_In_HTML_to_PDF/.NET/Accessible PDF/Program.cs b/HTML to PDF/Blink/Accessible_PDF_In_HTML_to_PDF/.NET/Accessible PDF/Program.cs
index a125a47e..07a0e6ff 100644
--- a/HTML to PDF/Blink/Accessible_PDF_In_HTML_to_PDF/.NET/Accessible PDF/Program.cs	
+++ b/HTML to PDF/Blink/Accessible_PDF_In_HTML_to_PDF/.NET/Accessible PDF/Program.cs	
@@ -18,8 +18,11 @@
 htmlConverter.ConverterSettings = settings;
 //Convert URL to PDF.
 PdfDocument document = htmlConverter.Convert("file:///D:/PDF-Examples/HTML%20to%20PDF/Blink/Accessible_PDF_In_HTML_to_PDF/.NET/Accessible%20PDF/Data/Input.html");
-//Save and close the PDF document.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close the PDF document 
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Adjusting-the-HTML-content-size-in-PDF-document/.NET/Adjusting-the-HTML-content-size-in-PDF-document/Program.cs b/HTML to PDF/Blink/Adjusting-the-HTML-content-size-in-PDF-document/.NET/Adjusting-the-HTML-content-size-in-PDF-document/Program.cs
index b1d3188a..e9b4de1d 100644
--- a/HTML to PDF/Blink/Adjusting-the-HTML-content-size-in-PDF-document/.NET/Adjusting-the-HTML-content-size-in-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Adjusting-the-HTML-content-size-in-PDF-document/.NET/Adjusting-the-HTML-content-size-in-PDF-document/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document.
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Convert-HTML-form-to-PDF-fillable-form/.NET/Convert-HTML-form-to-PDF-fillable-form/Program.cs b/HTML to PDF/Blink/Convert-HTML-form-to-PDF-fillable-form/.NET/Convert-HTML-form-to-PDF-fillable-form/Program.cs
index 6c4f9141..2ec26666 100644
--- a/HTML to PDF/Blink/Convert-HTML-form-to-PDF-fillable-form/.NET/Convert-HTML-form-to-PDF-fillable-form/Program.cs	
+++ b/HTML to PDF/Blink/Convert-HTML-form-to-PDF-fillable-form/.NET/Convert-HTML-form-to-PDF-fillable-form/Program.cs	
@@ -25,9 +25,11 @@
 //Convert URL to PDF document. 
 PdfDocument document = htmlConverter.Convert(Path.GetFullPath(@"Data/Input.html"));
 
-//Create file stream to save the PDF document. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Convert-HTML-to-PDF-in-offline-mode/.NET/Convert-HTML-to-PDF-in-offline-mode/Program.cs b/HTML to PDF/Blink/Convert-HTML-to-PDF-in-offline-mode/.NET/Convert-HTML-to-PDF-in-offline-mode/Program.cs
index 48172c0a..4af43350 100644
--- a/HTML to PDF/Blink/Convert-HTML-to-PDF-in-offline-mode/.NET/Convert-HTML-to-PDF-in-offline-mode/Program.cs	
+++ b/HTML to PDF/Blink/Convert-HTML-to-PDF-in-offline-mode/.NET/Convert-HTML-to-PDF-in-offline-mode/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document.
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Convert-form-authenticated-webpage-to-PDF-document/.NET/Convert-form-authenticated-webpage-to-PDF-document/Program.cs b/HTML to PDF/Blink/Convert-form-authenticated-webpage-to-PDF-document/.NET/Convert-form-authenticated-webpage-to-PDF-document/Program.cs
index f78e1b5d..45f7a709 100644
--- a/HTML to PDF/Blink/Convert-form-authenticated-webpage-to-PDF-document/.NET/Convert-form-authenticated-webpage-to-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Convert-form-authenticated-webpage-to-PDF-document/.NET/Convert-form-authenticated-webpage-to-PDF-document/Program.cs	
@@ -27,8 +27,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.example.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Convert-partial-webpage-to-PDF-document/.NET/Convert-partial-webpage-to-PDF-document/Program.cs b/HTML to PDF/Blink/Convert-partial-webpage-to-PDF-document/.NET/Convert-partial-webpage-to-PDF-document/Program.cs
index 61e7ee89..1ece57a1 100644
--- a/HTML to PDF/Blink/Convert-partial-webpage-to-PDF-document/.NET/Convert-partial-webpage-to-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Convert-partial-webpage-to-PDF-document/.NET/Convert-partial-webpage-to-PDF-document/Program.cs	
@@ -19,8 +19,10 @@
 PdfDocument document = htmlConverter.ConvertPartialHtml(Path.GetFullPath(@"Data/Input.html"), "picture");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Convert-the-HTML-string-to-PDF-document/.NET/Convert-the-HTML-string-to-PDF-document/Program.cs b/HTML to PDF/Blink/Convert-the-HTML-string-to-PDF-document/.NET/Convert-the-HTML-string-to-PDF-document/Program.cs
index fbd54a3b..382df904 100644
--- a/HTML to PDF/Blink/Convert-the-HTML-string-to-PDF-document/.NET/Convert-the-HTML-string-to-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Convert-the-HTML-string-to-PDF-document/.NET/Convert-the-HTML-string-to-PDF-document/Program.cs	
@@ -22,9 +22,11 @@
 //Convert HTML string to PDF document. 
 PdfDocument document = htmlConverter.Convert(htmlText, baseUrl);
 
-//Create the file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Convert-token-based-authenticated-webpage-to-PDF/.NET/Convert-token-based-authenticated-webpage-to-PDF/Program.cs b/HTML to PDF/Blink/Convert-token-based-authenticated-webpage-to-PDF/.NET/Convert-token-based-authenticated-webpage-to-PDF/Program.cs
index 8f4825e5..ad86231c 100644
--- a/HTML to PDF/Blink/Convert-token-based-authenticated-webpage-to-PDF/.NET/Convert-token-based-authenticated-webpage-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Convert-token-based-authenticated-webpage-to-PDF/.NET/Convert-token-based-authenticated-webpage-to-PDF/Program.cs	
@@ -24,8 +24,10 @@
 PdfDocument document = htmlConverter.Convert("https://httpbin.org/headers");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document. 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Convert-website-URL-to-PDF-document/.NET/Convert-website-URL-to-PDF-document/Program.cs b/HTML to PDF/Blink/Convert-website-URL-to-PDF-document/.NET/Convert-website-URL-to-PDF-document/Program.cs
index 07197cf2..23fc3419 100644
--- a/HTML to PDF/Blink/Convert-website-URL-to-PDF-document/.NET/Convert-website-URL-to-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Convert-website-URL-to-PDF-document/.NET/Convert-website-URL-to-PDF-document/Program.cs	
@@ -18,9 +18,11 @@
 //Convert URL to PDF document. 
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-//Create file stream for PDF document. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Convert-windows-authenticated-webpage-to-PDF-document/.NET/Convert-windows-authenticated-webpage-to-PDF-document/Program.cs b/HTML to PDF/Blink/Convert-windows-authenticated-webpage-to-PDF-document/.NET/Convert-windows-authenticated-webpage-to-PDF-document/Program.cs
index 45626242..c6f43f37 100644
--- a/HTML to PDF/Blink/Convert-windows-authenticated-webpage-to-PDF-document/.NET/Convert-windows-authenticated-webpage-to-PDF-document/Program.cs	
+++ b/HTML to PDF/Blink/Convert-windows-authenticated-webpage-to-PDF-document/.NET/Convert-windows-authenticated-webpage-to-PDF-document/Program.cs	
@@ -24,9 +24,11 @@
 //Convert URL to PDF document. 
 PdfDocument document = htmlConverter.Convert("https://www.example.com");
 
-//Create file stream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Create-TOC-while-converting-HTML-to-PDF/.NET/Create-TOC-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Create-TOC-while-converting-HTML-to-PDF/.NET/Create-TOC-while-converting-HTML-to-PDF/Program.cs
index accebaa8..07603d66 100644
--- a/HTML to PDF/Blink/Create-TOC-while-converting-HTML-to-PDF/.NET/Create-TOC-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Create-TOC-while-converting-HTML-to-PDF/.NET/Create-TOC-while-converting-HTML-to-PDF/Program.cs	
@@ -23,9 +23,11 @@
 //Convert HTML to PDF document. 
 PdfDocument document = htmlConverter.Convert(Path.GetFullPath(@"Data/Input.html"));
 
-//Create file stream to save the PDF document. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Create-custom-style-TOC-when-converting-HTML-to-PDF/.NET/Create-custom-style-TOC-when-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Create-custom-style-TOC-when-converting-HTML-to-PDF/.NET/Create-custom-style-TOC-when-converting-HTML-to-PDF/Program.cs
index ce50095d..6718d1b2 100644
--- a/HTML to PDF/Blink/Create-custom-style-TOC-when-converting-HTML-to-PDF/.NET/Create-custom-style-TOC-when-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Create-custom-style-TOC-when-converting-HTML-to-PDF/.NET/Create-custom-style-TOC-when-converting-HTML-to-PDF/Program.cs	
@@ -34,9 +34,11 @@
 //Convert HTML to PDF document. 
 PdfDocument document = htmlConverter.Convert(Path.GetFullPath(@"Data/Input.html"));
 
-//Create file stream to save the PDF document. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Creating-bookmarks-while-converting-HTML-to-PDF/.NET/Creating-bookmarks-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Creating-bookmarks-while-converting-HTML-to-PDF/.NET/Creating-bookmarks-while-converting-HTML-to-PDF/Program.cs
index 25eef6b0..dca5d8bd 100644
--- a/HTML to PDF/Blink/Creating-bookmarks-while-converting-HTML-to-PDF/.NET/Creating-bookmarks-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Creating-bookmarks-while-converting-HTML-to-PDF/.NET/Creating-bookmarks-while-converting-HTML-to-PDF/Program.cs	
@@ -24,8 +24,10 @@
 PdfDocument document = htmlConverter.Convert(Path.GetFullPath(@"Data/Input.html"));
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document.
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/HTML-Footer-Background-Colour/.NET/HTML-Footer-Background-Colour/Program.cs b/HTML to PDF/Blink/HTML-Footer-Background-Colour/.NET/HTML-Footer-Background-Colour/Program.cs
index 8cbf3253..6cdc7af5 100644
--- a/HTML to PDF/Blink/HTML-Footer-Background-Colour/.NET/HTML-Footer-Background-Colour/Program.cs	
+++ b/HTML to PDF/Blink/HTML-Footer-Background-Colour/.NET/HTML-Footer-Background-Colour/Program.cs	
@@ -27,8 +27,11 @@
 //Convert the URL to a PDF document.
 PdfDocument document = htmlConverter.Convert("<div>Hello World</div>",string.Empty);
 
-//Create a filestream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close a PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/HTML-Header-and-Footer/.NET/HTML-Header-and-Footer/Program.cs b/HTML to PDF/Blink/HTML-Header-and-Footer/.NET/HTML-Header-and-Footer/Program.cs
index e2f3877b..9ea240af 100644
--- a/HTML to PDF/Blink/HTML-Header-and-Footer/.NET/HTML-Header-and-Footer/Program.cs	
+++ b/HTML to PDF/Blink/HTML-Header-and-Footer/.NET/HTML-Header-and-Footer/Program.cs	
@@ -33,10 +33,13 @@ static void Main(string[] args) {
             //Convert the URL to a PDF document.
             PdfDocument document = htmlConverter.Convert("https://www.syncfusion.com");
 
-            //Create a filestream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save and close a PDF document.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
+            //Close the document.
             document.Close(true);
         }
     }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-Header-and-footer/.NET/HTML-to-PDF-Header-and-footer/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-Header-and-footer/.NET/HTML-to-PDF-Header-and-footer/Program.cs
index 68c933ca..7b7b0c96 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-Header-and-footer/.NET/HTML-to-PDF-Header-and-footer/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-Header-and-footer/.NET/HTML-to-PDF-Header-and-footer/Program.cs	
@@ -42,10 +42,12 @@ static void Main(string[] args) {
             //Convert URL to PDF.
             PdfDocument document = htmlConverter.Convert("https://www.google.com/");
 
-            //Create a file stream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save a PDF document to the file stream.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
             //Close the document.
             document.Close(true);
         }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-margin-customization/.NET/HTML-to-PDF-margin-customization/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-margin-customization/.NET/HTML-to-PDF-margin-customization/Program.cs
index 1d30613c..6703d8ae 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-margin-customization/.NET/HTML-to-PDF-margin-customization/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-margin-customization/.NET/HTML-to-PDF-margin-customization/Program.cs	
@@ -21,10 +21,12 @@ static void Main(string[] args) {
             //Convert URL to PDF document.  
             PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-            //Create a file stream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save the PDF document to the file stream.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
             //Close the document.
             document.Close(true);
         }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-page-orientation-customization/.NET/HTML-to-PDF-page-orientation-customization/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-page-orientation-customization/.NET/HTML-to-PDF-page-orientation-customization/Program.cs
index 3272ec14..111b7e23 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-page-orientation-customization/.NET/HTML-to-PDF-page-orientation-customization/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-page-orientation-customization/.NET/HTML-to-PDF-page-orientation-customization/Program.cs	
@@ -21,10 +21,12 @@ static void Main(string[] args) {
             //Convert URL to PDF document.  
             PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-            //Create a file stream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save a PDF document to a file stream.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
             //Close the document.
             document.Close(true);
         }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-page-size-customization/.NET/HTML-to-PDF-page-size-customization/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-page-size-customization/.NET/HTML-to-PDF-page-size-customization/Program.cs
index 55d498ad..5d09475c 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-page-size-customization/.NET/HTML-to-PDF-page-size-customization/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-page-size-customization/.NET/HTML-to-PDF-page-size-customization/Program.cs	
@@ -21,10 +21,12 @@ static void Main(string[] args) {
             //Convert URL to PDF document.  
             PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-            //Create a file stream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save the PDF document to the file stream.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
             //Close the document.
             document.Close(true);
         }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-rotate-page/.NET/HTML-to-PDF-rotate-page/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-rotate-page/.NET/HTML-to-PDF-rotate-page/Program.cs
index 3b90d853..2e588884 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-rotate-page/.NET/HTML-to-PDF-rotate-page/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-rotate-page/.NET/HTML-to-PDF-rotate-page/Program.cs	
@@ -21,10 +21,12 @@ static void Main(string[] args) {
             //Convert URL to PDF document.  
             PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-            //Create a file stream.
-            FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-            //Save a PDF document to a file stream.
-            document.Save(fileStream);
+            //Create file stream. 
+            using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+            {
+                //Save the PDF document 
+                document.Save(fileStream);
+            }
             //Close the document.
             document.Close(true);
         }
diff --git a/HTML to PDF/Blink/HTML-to-PDF-scale-property/Scale_property_in_HTML_converter/Program.cs b/HTML to PDF/Blink/HTML-to-PDF-scale-property/Scale_property_in_HTML_converter/Program.cs
index 7981f4ca..62964522 100644
--- a/HTML to PDF/Blink/HTML-to-PDF-scale-property/Scale_property_in_HTML_converter/Program.cs	
+++ b/HTML to PDF/Blink/HTML-to-PDF-scale-property/Scale_property_in_HTML_converter/Program.cs	
@@ -18,9 +18,11 @@
 htmlConverter.ConverterSettings = blinkConverterSettings;
 //Convert URL to PDF document. 
 PdfDocument document = htmlConverter.Convert("https://www.syncfusion.com");
-//Create a file stream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save a PDF document to a file stream.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
 //Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Inject_custom_CSS_to_HTML/.NET/Inject_custom_CSS_to_HTML/Program.cs b/HTML to PDF/Blink/Inject_custom_CSS_to_HTML/.NET/Inject_custom_CSS_to_HTML/Program.cs
index 6ce3f894..b020c753 100644
--- a/HTML to PDF/Blink/Inject_custom_CSS_to_HTML/.NET/Inject_custom_CSS_to_HTML/Program.cs	
+++ b/HTML to PDF/Blink/Inject_custom_CSS_to_HTML/.NET/Inject_custom_CSS_to_HTML/Program.cs	
@@ -22,8 +22,11 @@
 //Convert the URL to PDF document.
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
-//Create file stream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close the PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Inject_custom_JavaScript_to_HTML/.NET/Inject_custom_JavaScript_to_HTML/Program.cs b/HTML to PDF/Blink/Inject_custom_JavaScript_to_HTML/.NET/Inject_custom_JavaScript_to_HTML/Program.cs
index 609107e5..6810aec6 100644
--- a/HTML to PDF/Blink/Inject_custom_JavaScript_to_HTML/.NET/Inject_custom_JavaScript_to_HTML/Program.cs	
+++ b/HTML to PDF/Blink/Inject_custom_JavaScript_to_HTML/.NET/Inject_custom_JavaScript_to_HTML/Program.cs	
@@ -27,8 +27,11 @@
 //Convert the URL to PDF document.
 PdfDocument document = htmlConverter.Convert("https://www.syncfusion.com");
 
-//Create a filestream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close the PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Selection-of-media-type-while-converting-HTML-to-PDF/.NET/Selection-of-media-type-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Selection-of-media-type-while-converting-HTML-to-PDF/.NET/Selection-of-media-type-while-converting-HTML-to-PDF/Program.cs
index 5ddc7685..5d531393 100644
--- a/HTML to PDF/Blink/Selection-of-media-type-while-converting-HTML-to-PDF/.NET/Selection-of-media-type-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Selection-of-media-type-while-converting-HTML-to-PDF/.NET/Selection-of-media-type-while-converting-HTML-to-PDF/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document.
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
\ No newline at end of file
diff --git a/HTML to PDF/Blink/Set-additional-delay-while-converting-HTML-to-PDF/.NET/Set-additional-delay-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Set-additional-delay-while-converting-HTML-to-PDF/.NET/Set-additional-delay-while-converting-HTML-to-PDF/Program.cs
index 96b812cb..2127f89d 100644
--- a/HTML to PDF/Blink/Set-additional-delay-while-converting-HTML-to-PDF/.NET/Set-additional-delay-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Set-additional-delay-while-converting-HTML-to-PDF/.NET/Set-additional-delay-while-converting-HTML-to-PDF/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and Close the PDF document.
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Set-temporary-path-while-converting-HTML-to-PDF/.NET/Set-temporary-path-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Set-temporary-path-while-converting-HTML-to-PDF/.NET/Set-temporary-path-while-converting-HTML-to-PDF/Program.cs
index 862e57f8..c5c865a1 100644
--- a/HTML to PDF/Blink/Set-temporary-path-while-converting-HTML-to-PDF/.NET/Set-temporary-path-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Set-temporary-path-while-converting-HTML-to-PDF/.NET/Set-temporary-path-while-converting-HTML-to-PDF/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Set-windows-status-while-converting-HTML-to-PDF/.NET/Set-windows-status-while-converting-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Set-windows-status-while-converting-HTML-to-PDF/.NET/Set-windows-status-while-converting-HTML-to-PDF/Program.cs
index 8920daec..92b206ad 100644
--- a/HTML to PDF/Blink/Set-windows-status-while-converting-HTML-to-PDF/.NET/Set-windows-status-while-converting-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Set-windows-status-while-converting-HTML-to-PDF/.NET/Set-windows-status-while-converting-HTML-to-PDF/Program.cs	
@@ -26,8 +26,10 @@
 PdfDocument document = htmlConverter.Convert(Path.GetFullPath(@"Data/Input.html"));
 
 //Create file stream. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-
-//Save and close the PDF document 
-document.Save(fileStream);
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Set_blink_path_in_HTML_to_PDF/.NET/Set_blink_path_in_HTML_to_PDF/Program.cs b/HTML to PDF/Blink/Set_blink_path_in_HTML_to_PDF/.NET/Set_blink_path_in_HTML_to_PDF/Program.cs
index a8a31dc0..7a3b6117 100644
--- a/HTML to PDF/Blink/Set_blink_path_in_HTML_to_PDF/.NET/Set_blink_path_in_HTML_to_PDF/Program.cs	
+++ b/HTML to PDF/Blink/Set_blink_path_in_HTML_to_PDF/.NET/Set_blink_path_in_HTML_to_PDF/Program.cs	
@@ -19,8 +19,11 @@
 //Convert URL to PDF document.
 PdfDocument document = htmlConverter.Convert("https://www.syncfusion.com");
 
-//Create file stream to save the PDF document. 
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close the PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
+//Close the document.
 document.Close(true);
diff --git a/HTML to PDF/Blink/Time-out-support-in-HTML-to-PDF/.NET/Time-out-support-in-HTML-to-PDF/Program.cs b/HTML to PDF/Blink/Time-out-support-in-HTML-to-PDF/.NET/Time-out-support-in-HTML-to-PDF/Program.cs
index 2723b3ba..311d045e 100644
--- a/HTML to PDF/Blink/Time-out-support-in-HTML-to-PDF/.NET/Time-out-support-in-HTML-to-PDF/Program.cs	
+++ b/HTML to PDF/Blink/Time-out-support-in-HTML-to-PDF/.NET/Time-out-support-in-HTML-to-PDF/Program.cs	
@@ -18,9 +18,11 @@
 htmlConverter.ConverterSettings = blinkConverterSettings;
 //Convert URL to PDF
 PdfDocument document = htmlConverter.Convert("https://www.google.com");
-//Create a file stream.
-FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/HTML-to-PDF.pdf"), FileMode.Create, FileAccess.ReadWrite);
-//Save and close the PDF document.
-document.Save(fileStream);
+//Create file stream. 
+using (FileStream fileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
+{
+    //Save the PDF document 
+    document.Save(fileStream);
+}
 //Close the document.
 document.Close(true);