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.... Presentation input = new Presentation (); IShapeCollection...返回幻灯片、母版幻灯片或布局幻灯片。 Presentation presentation = new Presentation (); long...