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Non-blocking Connections
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Non-blocking connections read and write asynchronously, so that the transfer of data does not block the execution of other code in you network application. To create a non-blocking connection for client or server sockets, set the BlockMode property to bmNonBlocking.

When the connection is non-blocking, reading and writing events inform your socket when the socket on the other end of the connection tries to read or write information.

See Also

Blocking Connections

Responding to Socket Events

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