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....// Get Pages for the Document OLECHAR * pages = L "Pages" ; hr...GetIDsOfNames ( IID_NULL , & pages , 1 , GetUserDefaultLCID ()...