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....donné ci-dessous montrant comment accéder aux propriétés ViewProperties...= System :: MakeObject < Presentation > ( u "demo.pptx" ); pres...