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....: 创建 Presentation 类的实例 使用其 Index 获取幻灯片的引用 使用 Shapes 对象提供的 AddChart...