// gnssdriver.h

typedef struct {
  ULONG                 Size;
  ULONG                 Version;
  ULONG                 GeofenceID;
  GNSS_GEOFENCE_STATE   GeofenceState;
  GNSS_FIXDATA_BASIC    FixBasicData;
  GNSS_FIXDATA_ACCURACY FixAccuracyData;
  BYTE                  Unused[512];
} GNSS_GEOFENCE_ALERT_DATA, *PGNSS_GEOFENCE_ALERT_DATA;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-gnssdriver-gnss_geofence_alert_data)

Description

The GNSS_GEOFENCE_ALERT_DATA structure is used by the GNSS engine to notify a geofence breach alert.

Members

`Size`

Structure size.

`Version`

Version number.

`GeofenceID`

The ID of the geofence. This ID was generated by the GNSS engine during creation of the geofence.

`GeofenceState`

The new state of the geofence. The alert implies transitioning to this state.

`FixBasicData`

The fix used to determine the geofence breach. Instead of the full set of fix data, a smaller subset contained in this field and the FixAccuracyData field is expected.

`FixAccuracyData`

The fix used to determine the geofence breach. Instead of the full set of fix data, a smaller subset contained in this field and the FixBasicData field is expected.

`Unused`

Padding buffer reserved for future use.

View the official Windows Driver Kit DDI reference

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