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.... 将修改后的演示文稿写入PPTX文件。 上述步骤在下面的示例中实现。 string ImageFilePath...= "AddPicture.jpg" ; //实例化表示PPTX的Presentation类 Presentation pres...