C# Create Numbered Paragraphs in Word Document

Create-Numbered-Word-Paragraphs.cs

// Prerequisite: Install <a href="https://www.nuget.org/packages/FileFormat.Words">FileFormat.Words</a>.

                // Initialize docx document
                FileFormat.Words.Document doc = new FileFormat.Words.Document();
                System.Console.WriteLine("Word Document with default template initialized");

                // Initialize document body
                var body = new FileFormat.Words.Body(doc);
                System.Console.WriteLine("Body of the Word Document initialized");

                // Initialize a paragraph
                var para = new FileFormat.Words.IElements.Paragraph();

                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "This document is generated by FileFormat.Words." });
                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph();
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "Below are numbered paragraphs:" });
                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph { Style = "ListParagraph" };
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "First numbered  at first level" });
                // Set numbering for the paragraph
                para.NumberingId = 1;
                para.IsNumbered = true;
                para.NumberingLevel = 1;

                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph { Style = "ListParagraph" };
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "First numbered at second level" });
                // Set numbering for the paragraph
                para.NumberingId = 1;
                para.IsNumbered = true;
                para.NumberingLevel = 2;
                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph { Style = "ListParagraph" };
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "Second numbered at second level" });
                // Set numbering for the paragraph
                para.NumberingId = 1;
                para.IsNumbered = true;
                para.NumberingLevel = 2;
                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph { Style = "ListParagraph" };
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "Second numbered at first level" });
                // Set numbering for the paragraph
                para.NumberingId = 1;
                para.IsNumbered = true;
                para.NumberingLevel = 1;
                // Append paragraph to the document body
                body.AppendChild(para);

                // Reset paragraph
                para = new FileFormat.Words.IElements.Paragraph();
                // Add a run to paragraph
                para.AddRun(new FileFormat.Words.IElements.Run
                { Text = "The document ends here..." });
                // Append paragraph to the doucment body
                body.AppendChild(para);
    
                // Save docx document to the disk
                doc.Save($"WordParagraphsNumbered.docx");

// The resulting docx document should be like this: https://imgur.com/vjTJxw5