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.... Bmp ); 将图表转换为 JPEG //Instantiating a Workbook object...ToImage ( MyDir + "Chart to JPEG Image.Jpeg" , System . Drawing . Imaging...