TcpListener: how to stop listening while awaiting AcceptTcpClientAsync()?

Question

I don\'t know how to properly close a TcpListener while an async method await for incoming connections. I found this code on SO, here the code :

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Answer 1

Calling StopListening (which disposes the socket) is correct. Just swallow that particular error. You cannot avoid this since you somehow need to stop the pending call anyway. If not you leak the socket and the pending async IO and the port stays in use.