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....diagram = new Diagram ( @ "c:\temp\test.vdx" ); // Initialize an array...diagram As New Diagram ( "c:\temp\test.vdx" ) ' Initialize an array...