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....实例化一个表示演示文件的 Presentation 对象 auto presentation = System :: MakeObject...MakeObject < Presentation > ( u "Shapes.pptx" ); auto shape =...