/// <summary>
        /// Creates a Word document with plain text.
        /// </summary>
        /// <param name="filePath">The path to the file to be created.</param>
        /// <param name="contentToWrite">The content to be added to the document.</param>
        public static void WriteWordDocument(string filePath, StringBuilder contentToWrite)
        {
            if (Path.GetExtension(filePath) == ".doc" ||
                Path.GetExtension(filePath) == ".docx")
            {
                Word.Application a = new Word.Application();

                a.Visible = false;

                object missing = System.Reflection.Missing.Value;

                Word.Document doc = a.Documents.Add(ref missing, ref missing, ref missing, ref missing);

                WordManager wm = new WordManager();

                wm.AddParagraph(doc, "Lorem ipsum");
                doc.Content.Text += contentToWrite.ToString();
                wm.AddHeader(doc, "headertext");
                wm.AddFooter(doc, "footertext");
                string imagePath = @"C:\Users\gebruiker\Desktop\PrijsManager.png";
                //wm.AddFooterImage(doc, imagePath);

                var start = doc.Content.Start;
                var end   = doc.Content.End;

                doc.Range(start, end).Font.Name = "Calibri";
                doc.Range(start, end).Font.Size = 11;

                doc.SaveAs(filePath);
                doc.Close(ref missing, ref missing, ref missing);
                doc = null;
                a.Quit(ref missing, ref missing, ref missing);
                a = null;
                Console.WriteLine(filePath + " is successfully created.");
            }
        }