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....ImapMessageFlags, AsyncCallback, Object) 方法 beginAddMessageFlags(IConnection...ImapMessageFlags, AsyncCallback, Object) 方法 beginAddMessageFlags(int...