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....此类支持以下功能: AddCategory() 接受 MapiMessage 以及颜色分类字符串作为参数。 removeCategory()...removeCategory() 接受 MapiMessage 和要从邮件中移除的颜色分类字符串作为参数。 clearCategories()...