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....Cells - 设置打印区域 默认情况下,只有打印区域包括所有包含...sheet1 . Cells [ 0 , 0 ]. Value = 1 ; sheet1 . Cells [ 0 , 1 ]...