Internet Direct (Indy) Version 9.0.2 Beta
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procedure Listen(const anQueueCount: integer);
anQueueCount identifies the maximum number of pending connection requests to allow for the socket descriptor. Use care when specifying a larger value for anQueueCount; most protocol stacks limit the number of pending connections requests allowed per socket descriptor to a small value. Use Accept to service a pending connection request.
Handle identifies the socket descriptor used to listen for connections, and must not be connected prior to calling Listen.