您需要实现发布和订阅设计.在 WCF 中，您可以使用 net-tcp 协议连接双工客户端和服务器.

You need to implement a publish and subscribe design. In WCF you could use net-tcp protocol to connect in duplex clients and server.

您可以在 http://www.idesign.net/Downloads/上下载一个相当不错的实现获取下载/2032

您会在此处找到一篇好文章.

And you will find a good article here.

问候