Cancel the use of any specified call back routines.
status = PMDF_cancel_call_back
argument informationstatus = PMDFcancelCallBack ()
int PMDFcancelCallBack ()
None.
After calling PMDF_cancel_call_back, the API will no longer invoke any call back routines specified with a previous call to PMDF_set_call_back. On UNIX and NT systems, this routine merely returns PMDF:OK.Return Values
| PMDF__OK | Normal, successful completion. |