static void EditCommentProperties(Document document)
 {
     #region #EditCommentProperties
     document.LoadDocument("Documents//Grimm.docx", DevExpress.XtraRichEdit.DocumentFormat.OpenXml);
     int commentCount = document.Comments.Count;
     if (commentCount > 0)
     {
         document.BeginUpdate();
         DevExpress.XtraRichEdit.API.Native.Comment comment = document.Comments[document.Comments.Count - 1];
         comment.Name   = "New Name";
         comment.Date   = DateTime.Now;
         comment.Author = "New Author";
         document.EndUpdate();
     }
     #endregion #EditCommentProperties
 }
 static void EditCommentContent(Document document)
 {
     #region #EditCommentContent
     document.LoadDocument("Documents//Grimm.docx", DevExpress.XtraRichEdit.DocumentFormat.OpenXml);
     int commentCount = document.Comments.Count;
     if (commentCount > 0)
     {
         DevExpress.XtraRichEdit.API.Native.Comment comment = document.Comments[document.Comments.Count - 1];
         if (comment != null)
         {
             SubDocument commentDocument = comment.BeginUpdate();
             commentDocument.InsertText(commentDocument.CreatePosition(0), "comment text");
             commentDocument.Tables.Create(commentDocument.CreatePosition(13), 5, 4);
             comment.EndUpdate(commentDocument);
         }
     }
     #endregion #EditCommentContent
 }