通过

GazePointPreview 类

  • 参考

定义

命名空间:
Windows.Devices.Input.Preview
编辑

提供与单个目视跟踪设备关联的凝视输入点的基本属性。

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 GazePointPreview
Public NotInheritable Class GazePointPreview
继承
Object Platform::Object IInspectable GazePointPreview
属性
ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows 要求

设备系列
Windows 10, version 1803 (在 10.0.17134.0 中引入)
API contract
Windows.Foundation.UniversalApiContract (在 v6.0 中引入)

注解

凝视点的屏幕坐标以与设备无关的像素为单位， (DIP) 相对于应用程序视图 (或启用凝视的元素) 受其约束。

属性

EyeGazePosition

获取从用户眼睛的位置和方向派生的凝视点的位置。
HeadGazePosition

获取从用户头部位置和方向派生的凝视点的位置。
HidInputReport

获取 目视跟踪设备的人机接口设备 (HID) 输入报告。
SourceDevice

获取与凝视输入关联的眼动跟踪设备的信息。
Timestamp

获取凝视点输入事件的时间。

适用于

另请参阅