wcf-callbacks

WCF: Duplex Callback always Anonymous

I've written a WCF duplex service and client. Everything works well until I try to call .Demand() in the client implementation. It appears that the the service invokes the callback method Anonymously. I think I am missing how to correctly configure the service. Code used to create ServiceHost; ServiceHost duplex = new ServiceHost(ne...

How can I send a notification message from server to all clients in WCF (broadcast you can say)?

I want to send notification message every second from net tcp WCF service to all clients, Broadcast you can say? After the helpful answers I wrote the following method that will send notifications (heartbeat) to all connected users foreach (IHeartBeatCallback callback in subscribers) { ThreadPool.QueueUserWorkItem(delegate(object st...

WCF communicating between services on a server.

Hi all I'm implementing an alert type system within my company LAN using WCF callbacks. It has a subscribe mechanism etc. I've used this tutorial as a starting point but I changed the binding to NetTcpBinding instead of wsDualHttpBinding and I'm self hosting in a Windows service. That's working quite nicely but I have a question. Most ...

CallBack in WCF?

How we use CallBack in WCF fluently with events and delegates? If Client give any request or any conditions matches of client then services automatically fire the event which condition or request given from client. how is it possible? ...

Is the callback from WCF to ASP.NET possible?

I have a Web service hosted in IIS in different box and WCF service hosted in Windows service, in a different box.(N-tier approach). Here, Web service is a client for WCF service. The request to upload the file comes to the IIS hosted Web service, and this IIS hosted Web service in return calls the WCF service and does the actual upload....