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....String ( "C2" ))-> PutValue ( 2 ); ws -> GetICells ()-> GetObjectByIndex...GetIBaseFields ()-> GetObjectByIndex ( 2 )); pt -> AddFieldToArea ( PivotFieldType_Column...