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....بالآتي: أنشئ مثيلًا من فئة Presentation . احصل على المرجع لأي شريحة...instantiate a Presentation class that represents the presentation file...