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....サイズを変更する方法を示しています: Presentation pres = new Presentation ( "pres-4x3-aspect-ratio...サイズを指定する方法を示しています: Presentation pres = new Presentation ( "pres.pptx"...