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.... ใช้ reader.GetTotalItemsCount() เมธอด... 0. อ่านแต่ละข้อความโดยใช้ reader.ReadNextMessage() เมธอด. บ...