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 pres = new Presentation ( path + "input.pptx" )) { // Getting...GetThumbnail ( 1f , 1f ). Save ( path + "Slide_0.png" , ImageFormat...