基于IP多播的组讨论会实例,程序运行之后即会自动加入会议组,组中的每个成员都可以接收到你发送的消息,聊天记录窗口下显示组中每个用户发送的消息。-Based on IP Multicast examples of the group discussions, the program will automatically run after the group joined the meeting, each member of the group can receive messages sent to your chat window is displayed for each user group to send the message.