Introduction - If you have any usage issues, please Google them yourself
(1) communicate with the server through the TCP protocol (2) using UDP multicast and extension communication (3) Window system operations such as sound card data reading and writing (4) database technology, used to record requests for records and history inquiries (5) INI file operations, the system used to record basic information (6) use to help document how the user a better understanding of (7) other related technologies such as beautifying the interface, the icon flashes and so on receipt of the request