| Tobii Pro SDK C API
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| Data Fields | |
| TobiiResearchEyeUserPositionGuide | left_eye | 
| TobiiResearchEyeUserPositionGuide | right_eye | 
Provides data for the tobii_research_user_position_guide_callback callback.
| TobiiResearchEyeUserPositionGuide TobiiResearchUserPositionGuide::left_eye | 
The user position guide for the left eye.
| TobiiResearchEyeUserPositionGuide TobiiResearchUserPositionGuide::right_eye | 
The user position guide for the right eye.