GazePointPreview Class
Definition
Important
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Provides basic properties for the gaze input point associated with a single eye-tracking device.
public ref class GazePointPreview sealed/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class GazePointPreview final/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class GazePointPreview final[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class GazePointPreview[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class GazePointPreviewPublic NotInheritable Class GazePointPreview- Inheritance
- Attributes
Windows requirements
| Device family |
Windows 10, version 1803 (introduced in 10.0.17134.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v6.0)
|
Remarks
The screen coordinates of the gaze point are in device-independent pixels (DIP) relative to, and constrained by, the application view (or gaze-enabled element).
Properties
| EyeGazePosition |
Gets the location, derived from the position and orientation of the user's eyes, of the gaze point. |
| HeadGazePosition |
Gets the location, derived from the user's head position and orientation, of the gaze point. |
| HidInputReport |
Gets a Human Interface Device (HID) input report for the eye-tracking device. |
| SourceDevice |
Gets information about the eye-tracking device associated with the gaze input. |
| Timestamp |
Gets the time of the gaze point input event. |