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....= System :: MakeObject < Presentation > ( u "test.pptx" ); auto...get_ActualHeight (); // Saving presentation pres -> Save ( u "Result...