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....Height = 1 ; string text = "Test text" ; // add text to a Visio page...PinX , PinY , Width , Height , text ); // save diagram diagram ...