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.... CustomLayout layout = pres . SlideMaster . CustomLayouts...pres . Slides . AddSlide ( 1 , layout ); //设置标题文本 slide . Shapes...