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....tring来访问TextBox的实例。 有关此功能的更多详细信息,请查看有关 通过名称访问TextBox 的详细文章。 简单的使用场景如下。...getWorksheets (). get ( 0 ); //Add a TextBox to the collection int idx =...