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API Reference

IOBSERVER_STARTOBSERVATION()

Brew Release
Brew MP 1.0.2
See Also
- AEECLSID_TouchObserver - IObserver Interface - IObserver_SetPropertyEx - IObserver_SetPointerEvtExpirationTimer
Description
This function is used to start observation for a particular gesture from the events passed to observer.
Params
pif
[]:
[in] Pointer to the IObserver interface object.
nObserve
[]:
One or more(combination of more than one by ORing) among TOUCHOBSF_LLM,TOUCHOBSF_TAP,TOUCHOBSF_DBLTAP, TOUCHOBSF_TAPANDHOLD,TOUCHOBSF_MULT_LM .
Interface
Prototype
  •    int IObserver_StartObservation(IObserver *pif, int nObserve);
    
Return
  •    AEE_SUCCESS - If observer starts observing the gesture.
       AEE_EFAILED - If observer does not start observing the gesture.
    
Side Effect
  • IObserver_StartObservation() calls IObserver_SetPropertyEx() and has the effect of processing an PROPEX_POINTER_START_OBSERVATION event.
Comments
None.