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.... Presentation ( "Presentation.pptx" ); try { var...SmartArt 的布局类型,请按以下步骤操作: 创建一个 Presentation 类的实例。 使用索引获取幻灯片的引用。 添加 SmartArt...