C# Create Multiple Multilevel List Paragraphs in Word Documents

Create-Multiple-Multilevel-List-Paragraphs.cs

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

// The resulting docx document should be like this: https://i.imgur.com/6PKIb56.png

                // 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");

                // Function to create a simple paragraph
                void CreateParagraph(FileFormat.Words.Body body, string text)
                {
                    var para = new FileFormat.Words.IElements.Paragraph();
                    para.AddRun(new FileFormat.Words.IElements.Run { Text = text });
                    body.AppendChild(para);
                }

                // Function to create a list paragraph
                void CreateListParagraph(FileFormat.Words.Body body, string text, int numberingId, string numberingType, int numberingLevel)
                {
                    var para = new FileFormat.Words.IElements.Paragraph { Style = "ListParagraph" };
                    para.AddRun(new FileFormat.Words.IElements.Run { Text = text });
                    para.NumberingId = numberingId;
                    if (numberingType == "Number")
                        para.IsNumbered = true;
                    else if (numberingType == "Alphabet")
                        para.IsAlphabeticNumber = true;
                    else if (numberingType == "Roman")
                        para.IsRoman = true;
                    para.NumberingLevel = numberingLevel;
                    body.AppendChild(para);
                }

                // Create paragraphs
                CreateParagraph(body, "This document is generated by FileFormat.Words.");
                CreateParagraph(body, "Below is first multilevel list of paragraphs:");
                CreateListParagraph(body, "First number at first level", 1, "Number", 1);
                CreateListParagraph(body, "First alphabetic at second level", 1, "Alphabet", 2);
                CreateListParagraph(body, "Second alphabetic at second level", 1, "Alphabet", 2);
                CreateListParagraph(body, "First roman at third level", 1, "Roman", 3);
                CreateListParagraph(body, "Second roman at third level", 1, "Roman", 3);
                CreateListParagraph(body, "Second number at first level", 1, "Number", 1);
                CreateParagraph(body, "The first multilevel list ends here...");
                CreateParagraph(body, "Below is second multilevel list of paragraphs:");
                CreateListParagraph(body, "First number at first level", 2, "Number", 1);
                CreateListParagraph(body, "First roman at second level", 2, "Roman", 2);
                CreateListParagraph(body, "Second roman at second level", 2, "Roman", 2);
                CreateListParagraph(body, "First alphabet at third level", 2, "Alphabet", 3);
                CreateListParagraph(body, "Second alphabet at third level", 2, "Alphabet", 3);
                CreateListParagraph(body, "Second number at first level", 2, "Number", 1);
                CreateParagraph(body, "The second multilevel list ends here...");
                CreateParagraph(body, "The document ends here...");

                // Save docx document to the disk
                doc.Save($"MultilevelLists.docx");