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....NET 提供的 Presentation 类代表一个演示文稿文件。现在 Presentation 类还可以通过 Presentation...//实例化一个表示演示文稿文件的 Presentation 对象 using ( Presentation pres = new Presentation...