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....up/down bars of Line- or Stock-chart. Read-only IUpDownBarsManager...between the data series in a 3D chart. Read/write int. first_slice_angle...