Merge pull request #250 from VijayadharshiniMathiyalagan/ES-881100-How-to-find-and-replace-text-in-heading-paragraphs-in-a-Word-document

ES-881100 Added sample for replace text in heading paragraph

Author: MohanaselvamJothi

Find-item-in-word-document/Replace-text-heading-paragraphs/.NET/Replace-text-heading-paragraphs/Data/Input.docx

@@ -1,7 +1,4 @@
-
-
-using Microsoft.VisualBasic.FileIO;
-using Syncfusion.DocIO;
+using Syncfusion.DocIO;
 using Syncfusion.DocIO.DLS;
 
 namespace Replace_text_heading_paragraphs
@@ -10,24 +7,26 @@ class Program
     {
         static void Main(string[] args)
         {
-            using (FileStream fileStreamPath = new FileStream(Path.GetFullPath(@"Data/Input.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            using (FileStream inputFileStream = new FileStream(Path.GetFullPath(@"Data/Input.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
-                //Opens an existing Word document.
-                using (WordDocument document = new WordDocument(fileStreamPath, FormatType.Automatic))
+                //Opens the input Word document.
+                using (WordDocument document = new WordDocument(inputFileStream, FormatType.Automatic))
                 {
                     for (int headingLevel = 1; headingLevel < 10; headingLevel++)
                     {
-                        //Find headings based on the levels and endnote by paragraph in Word document.
+                        //Get all heading paragraphs based on the heading style level.
                         List<Entity> headings = document.FindAllItemsByProperty(EntityType.Paragraph, "StyleName", "Heading " + headingLevel);
-                        //Replace the headings with text.
+                        //Iterate through all headings in the list.
                         for (int index = 0; index < headings.Count; index++)
                         {
+                            //Cast the current heading to WParagraph.
                             WParagraph paragraph = headings[index] as WParagraph;
+                            //Remove all child elements from the paragraph.
                             paragraph.ChildEntities.Clear();
-                            paragraph.AppendText("Replaced Heading"+headingLevel+" text");
+                            //Add new text to replace the heading content.
+                            paragraph.AppendText("Replaced Heading" + headingLevel + " text");
                         }
                     }
-                    //Creates file stream.
                     using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Result.docx"), FileMode.Create, FileAccess.ReadWrite))
                     {
                         //Saves the Word document to file stream.