this case is the multi

代码说明：

此案例是多层分布式应用程序,需要首先执行服务器应用程序prdmdemo3.exe，以便注册服务器程序，然后才能够正常调试和运行客户端程序-this case is the multi-tier distributed applications, need First Executive prdmdemo3.exe server applications for registration server, before the normal debugging and running client