Merge pull request #137 from AkashArul26/main

ES-848213 Sample to convert multiple Word documents to PDFs and zip the PDFs in C#

Word-to-PDF-Conversion/Mutiple-Word-files-to-PDFs-and-zip/.NET/Mutiple-Word-files-to-PDFs-and-zip/Program.cs

@@ -2,15 +2,13 @@
 using Syncfusion.DocIO.DLS;
 using Syncfusion.DocIORenderer;
 using Syncfusion.Pdf;
-using System.IO.Compression;
-using Syncfusion.Compression.Zip;
 
-//Creating new zip archive
+//Creating new zip archive.
 Syncfusion.Compression.Zip.ZipArchive zipArchive = new Syncfusion.Compression.Zip.ZipArchive();
 //You can use CompressionLevel to reduce the size of the file.
 zipArchive.DefaultCompressionLevel = Syncfusion.Compression.CompressionLevel.Best;
 
-//Get the input files from the folder
+//Get the input Word documents from the folder.
 string folderName = @"../../../InputDocuments";
 string[] inputFiles = Directory.GetFiles(folderName);
 DirectoryInfo directoryInfo = new DirectoryInfo(folderName);
@@ -22,47 +20,48 @@
     files.Add(name);
 }
 
-//Converts each Word documents to PDF documents
+//Convert each Word documents to PDF.
 for (int i = 0; i < inputFiles.Length; i++)
 {
-    //PDF file name
+    //Output PDF file name.
     string outputFileName = files[i] + ".pdf";
-    //Loads an existing Word document
+    //Load an existing Word document.
     using (FileStream inputStream = new FileStream(inputFiles[i], FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
     {
-        //Converts Word document to PDF document
+        //Convert Word document to PDF.
         MemoryStream outputStream = ConvertWordToPDF(inputStream);
-        //Add the converted PDF file to zip
+        //Add the converted PDF file into zip archive.
         zipArchive.AddItem(outputFileName, outputStream, true, Syncfusion.Compression.FileAttributes.Normal);
     }
 }
 
-//Zip file name and location
+//Zip file name and location.
 FileStream zipStream = new FileStream(@"../../../OutputPDFs.zip", FileMode.OpenOrCreate, FileAccess.ReadWrite);
 zipArchive.Save(zipStream, true);
 zipArchive.Close();
 
 
 /// <summary>
-/// Convert Word document to PDF
+/// Convert Word document to PDF.
 /// </summary>
 /// <param name="inputStream">Input Word document stream</param>
 static MemoryStream ConvertWordToPDF(FileStream inputStream)
 {
+    MemoryStream outputStream = new MemoryStream();
+    //Open an existing Word document.
     using (WordDocument document = new WordDocument(inputStream, FormatType.Automatic))
     {
+        //Initialize DocIORenderer.
         using (DocIORenderer renderer = new DocIORenderer())
         {
-            //Converts Word document into PDF document
+            //Convert Word document into PDF document
             using (PdfDocument pdfDocument = renderer.ConvertToPDF(document))
             {
-                MemoryStream outputStream = new MemoryStream();
+                //Save the PDF.
                 pdfDocument.Save(outputStream);
                 outputStream.Position = 0;
-                //Closes the instance of PDF document object
-                pdfDocument.Close();
-                return outputStream;
             }
         }
     }
+    return outputStream;
 }