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....title slide layout PowerPoint . CustomLayout layout = pres . SlideMaster...pres . Slides . AddSlide ( 1 , layout ); //Set the title text slide...