Threaded comment

## Threaded comment Document Solutions for Excel enables users to annotate worksheets. Thread comments allow readers to reply to other comments which encourages better discussion and response. This means you can reply to a comment directly regardless of when the original comment was posted, and your comment will appear just below the original comment. - Use **AddCommentThreaded** method to add a threaded comment. - Use **ICommentThreaded.Text** to edit the threaded comment's text. - Use **ICommentThreaded.AddReply** method to add a reply to the threaded comment. - Use **ICommentThreaded.IsResolved** to set whether the threaded comment can be edited. - Use **ICommentThreaded.Delete** method to delete itself.