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....FileName = FilePath + "Adding Slide to Presentation.pptx" ; InsertNewSlide...nouvelle diapositive. Slide slide = new Slide ( new CommonSlideData...