PortPurge

cCall [pPortPurge], <hPort, dwQueueType>
or      eax, eax
jz      error_handler
 

Called by the _VCOMM_PurgeComm service to discard information in the receive or transmit queue, and cancel pending reads or writes. Uses the C calling convention.

hPort
Address of a _PORTINFORMATION structure returned by the PortOpen function.
dwQueueType
The queue to purge: 0 if transmit queue, 1 if receive queue.

See Also

_PORTINFORMATION, PortOpen, _VCOMM_PurgeComm