ssTmrActvFn.mtFlag = FALSE;
ssTmrActvFn.actvFnc.tmrActvFn = tmrFnct;
ret = STmrDeregHndlr(proc, ent, inst, period, units, ssTmrActvFn);
ssTmrActvFn.mtFlag = FALSE;
ssTmrActvFn.actvFnc.tmrActvFn = tmrFnct;
ret = STmrDeregHndlr(proc, ent, inst, period, units, ssTmrActvFn);