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.... dispose (); } 更改 SmartArt 的布局类型 为了更改...if ( pres != null ) pres . dispose (); } 检查 SmartArt 的隐藏属性 请注意:方法...