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" ; CreatePresentation ( FileName...// 在指定文件路径创建一个演示文稿。演示文档类型默认为pptx。 PresentationDocument presentationDoc...