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....idx_get ( 0 ); auto image = pres -> get_Images () -> AddImage (... 10.0f , 100.0f , 100.0f , image ); pres -> Save ( u "pres.pptx"...