| Tobii Pro SDK C API
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| Data Fields | |
| TobiiResearchGazePoint | gaze_point | 
| TobiiResearchPupilData | pupil_data | 
| TobiiResearchGazeOrigin | gaze_origin | 
Provides properties for the eye data.
| TobiiResearchGazeOrigin TobiiResearchEyeData::gaze_origin | 
The gaze origin data.
| TobiiResearchGazePoint TobiiResearchEyeData::gaze_point | 
The gaze point data.
| TobiiResearchPupilData TobiiResearchEyeData::pupil_data | 
The pupil data.