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....//Access the first slide of presentation objSlide = objPres . Slides...RightAngleAxes = false ; // Save the presentation as a PPTX objPres . SaveAs...