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ISensorEvents::OnEvent method

Provides custom event notifications.

Syntax


HRESULT OnEvent(
  [in]  ISensor *pSensor,
  [in]  REFGUID eventID,
  [in]  IPortableDeviceValues *pEventData
);

Parameters

pSensor [in]: Pointer to the ISensor interface that represents the sensor that raised the event.
eventID [in]: REFGUID that identifies the event.
pEventData [in]: Pointer to the IPortableDeviceValues interface that contains the event data.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This callback method receives custom event notifications. Custom events are defined by sensor providers. Platform-defined event IDs are defined in Sensors.h.

To receive new data from a sensor, use the OnDataUpdated Method.

Examples

For an example of how to receive sensor events, see Using Sensor API Events.

Requirements

Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	None supported [desktop apps only]
Header	Sensorsapi.h
Library	Sensorsapi.lib
DLL	Sensorsapi.dll

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