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....pen , new Point (( int )( x ), ( int ) y ), new Point (( int )(...DrawLine ( pen , new Point ( lineX , 0 ), new Point ( lineX , ( int...