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....Add a Shape of type TextBox to the collection var shape = sheet...sheet . Shapes . AddTextBox ( 0 , 0 , 0 , 0 , 100 , 200 ); // Access...