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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.
Parameters
  • 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.
Comment
None.
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