Need help or hint in which direction to dig. I want to write an application for a PC (server side) with a client for android. Found information about WCF. But I don’t understand how to implement the functionality I need. On the host computer, I track whether the browser is running or not (periodically I get a list of running applications). The client should receive a notification that the browser has started. I read about the callback but either I didn’t fully understand or still it is. From the point of view of WCF Service Contract, this is the available functionality from the service to the client and Callback is what is available for the service from the client. And how, then, do I implement the functionality I need? What would the service itself sent the necessary data to the client.

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    See Creating a duplex contract . - Alexander Petrov
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    But is it too tricky to track a running browser to deploy a whole wcf? IIS needs to be raised ... Maybe through a windows-service with sending a regular email, as an option. Well, or Powershell c sheduler ... Yes, at least snmp in the end. - de_frag
  • @defrag why IIS if the wcf service can be hosted in a console application? And this application is just an attempt to understand how to transfer data from the service to the client. - Petr
  • Exactly, I completely forgot about hosting in the console application. But if this is all to попытки понять , then there are no questions:] - de_frag

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