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.... Add (); Graph canvas = new Graph ( 400 , 100 );...); page . Paragraphs . Add ( canvas ); Ellipse ellipse1 = new Ellipse...