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....Konvertierung von Diagramm in JPEG //Instantiating a Workbook object...ToImage ( MyDir + "Chart to JPEG Image.Jpeg" , System . Drawing . Imaging...