GazeDeviceWatcherPreview Class

Reference

Definition

Namespace:: Windows.Devices.Input.Preview

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Edit

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: ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

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