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GazeDeviceWatcherPreview Class

Definition

Dynamically detects and enumerates eye-tracking devices, and receives event notifications when a device is added, removed, or updated after the initial enumeration.

public ref class GazeDeviceWatcherPreview 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 GazeDeviceWatcherPreview final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 393216)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class GazeDeviceWatcherPreview 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 GazeDeviceWatcherPreview
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 393216)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class GazeDeviceWatcherPreview
Public NotInheritable Class GazeDeviceWatcherPreview
Inheritance
Object Platform::Object IInspectable GazeDeviceWatcherPreview
Attributes

Windows requirements

Device family
Windows 10, version 1803 (introduced in 10.0.17134.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v6.0)

Methods

Start()

Starts monitoring the state of an eye-tracker device.

Stop()

Stops monitoring the state of an eye-tracker device.

Events

Added

Occurs when a new eye-tracker device is detected.

EnumerationCompleted

Occurs when the GazeDeviceWatcherPreview finishes identifying the connected eye-tracker devices.

Removed

Occurs when an existing eye-tracker device is no longer detected.

Updated

Occurs when an update is made to an existing eye-tracker device, such as calibration.

Applies to

See also