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....srcFileName = FilePath + "Conversion.pptx" ; string destFileName...//实例化一个表示演示文稿文件的Presentation对象 Presentation pres = new Presentation ( srcFileName...