socket的客户端编程演示，配合服务端使用。服务端已上传，命名为srv.rar同样是delphi开放的。-socket client-side programming demo, with the server to use. Server has been uploaded and named srv.rar also delphi open.

如何利用Delphi编写Socket通信程序-How to write Delphi Socket Communication

群组播对话代码 WM_SOCKETRECEIVE = WM_USER + 123 //自定义的SOCKET接收消息ID Icon_Message = WM_USER + 124 //小图标消息 m_SendPort = 60001 //本机IP组播的端口(UDP端口) m_GroupAddr = 224.0.0.9 //组播组的地址 -Dialogue group broadcast code