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.

• Returns TRUE if successful, FALSE otherwise.

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