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 > (); auto slide = presentation -> get_Slide ( 0 ); // 在幻灯片中添加OLE对象... "xlsx" ); auto oleFrame = slide -> get_Shapes () -> AddOleObjectFrame...