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....= new Presentation ( "Slides Test Presentation.pptx" )) { //访问第一张幻灯片...//将图像以JPEG格式保存到磁盘 image . Save ( "Test Thumbnail.jpg" , ImageFormat...