Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....pptx" ; string author = "Zeeshan...FileName = FilePath + "删除作者的所有评论.pptx" ; string author = "MZ" ; DeleteCommentsByAuth...