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....Black }; Figure figure = new Figure(); figure.AddShape(new...RectangleF(0, 0, 40, 40))); figure.AddShape(new RectangleShape(new...