摘要：
Duplex Service in WCFIn WCF, a service can call back to its clients. That is to say that, at the time of call back, the service behaves as a client as... 阅读全文
摘要：
1.向ChannelFactory提供的InstanceContext包含未实现CallbackContractType的问题通过添加服务引用生成的客户端代码， public class CallbackHandler : ICalculatorDuplexCallback这里的接口必须是添加服务引... 阅读全文
摘要：
Duplex Servicesfrom msdnA duplex service contract is a message exchange pattern in which both endpoints can send messages to the other independently. ... 阅读全文