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....constructor to load diagram from a VSD file $diagram = new Diagram (...( $dataDir . "drawing.vsd" ); #page = diagram.getPages().getPage(page_id)...