PortEnableNotification
cCall [pPortEnableNotification], <hPort, <OFFSET32 CommNotifyProc>, \
lReferenceData>
or eax, eax
jz error_handler
Called by the _VCOMM_EnableCommNotification service to register a callback function for event notification. Uses the C calling convention.
- Returns TRUE if successful, FALSE otherwise.
- hPort
- Address of a _PORTINFORMATION structure returned by the PortOpen function.
- CommNotifyProc
- Address of a client-defined callback function that the port driver calls when an event enabled by the PortSetEventMask function occurs. For more information, see CommNotifyProc. Can be NULL to disable notification.
- lReferenceData
- A client-defined 32-bit value that is passed to the callback function.
See Also
CommNotifyProc, _PORTINFORMATION, PortOpen, PortSetEventMask, _VCOMM_EnableCommNotification