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Editorial Team
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Editorial Team
Asked: May 20, 20262026-05-20T20:48:21+00:00 2026-05-20T20:48:21+00:00

I use a DuplexChannelFactory to send callbacks to my clients. I would like to

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I use a DuplexChannelFactory to send callbacks to my clients.
I would like to send those callbacks before a client call was made.

In other words the moment a Channel is opened via DuplexChannelFactory.CreateChannel() I wish to send a Callback to the client that just opened this channel.
Any Ideas?

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  1. Editorial Team
    Editorial Team
    2026-05-20T20:48:22+00:00Added an answer on May 20, 2026 at 8:48 pm

    You can’t because you don’t have callback channel available in the service. Client must be the one who initiate communication. Moreover I’m almost sure (I didn’t checked it) that CreateChannel doesn’t open the connection but the first client call does.

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