无法将 Callback 对象强制转换为 System.ServiceModel.ICommunicationObject 类型
我尝试断开客户端与服务器的连接：
if (((ICommunicationObject)proxy).State == CommunicationState.Opened)
{
proxy.DisConnect();
}
它无法将实现 (IServiceCallback) 作为 ServiceContract 的类型 (ServiceCallback) 的代理强制转换为 ICommunicationObject 类型，它返回 null
public class ServiceCallback : IServiceCallback , IDisposable { /* Implementation */ }
异常：
Unable to cast object of type 'Partition.ServiceCallback' to type 'System.ServiceModel.ICommunicationObject'.
I trying to disconnect client to server:
if (((ICommunicationObject)proxy).State == CommunicationState.Opened)
{
proxy.DisConnect();
}
It can't be casting proxy of type (ServiceCallback) that implements (IServiceCallback) as ServiceContract to type ICommunicationObject , it returns null
public class ServiceCallback : IServiceCallback , IDisposable { /* Implementation */ }
Exception:
Unable to cast object of type 'Partition.ServiceCallback' to type 'System.ServiceModel.ICommunicationObject'.
如果你对这篇内容有疑问，欢迎到本站社区发帖提问 参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。
绑定邮箱获取回复消息
由于您还没有绑定你的真实邮箱，如果其他用户或者作者回复了您的评论，将不能在第一时间通知您！
发布评论
评论（1）
您的
ServiceCallback类需要实现System.ServiceModel.ICommunicationObject如果没有，就像你的情况一样，铸造将会失败。
Your
ServiceCallbackclass needs to implementSystem.ServiceModel.ICommunicationObjectIf it doesn't, like in your case, the casting will fail.