I'm now implementing a server on the base of TWSocketServer. In the client app I send some message to the server app, which receives it inside ServerIn_ClientDataAvailable procedure. Receiving is realized step by step to find a signature of message - i.e., there are several client.Receive in the method. I faced with strange thing: after whole message is read (and no data is sent yet), client's OnDataAvailable is executed some more times. TMsgReceiveSocket(Sender).RcvdCount returns 0, and Receive returns -1 with error code "Would block". So the question: why OnDataAvailable is executed when there is actually no data to be read?
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