Light​Sensor​Reading Light​Sensor​Reading Light​Sensor​Reading Class

Definition

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

Prerelease APIs are identified by a Prerelease label.

Prerelease. Represents an ambient light–sensor reading.

public : sealed class LightSensorReading : ILightSensorReadingpublic sealed class LightSensorReading : ILightSensorReadingPublic NotInheritable Class LightSensorReading Implements ILightSensorReading
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Remarks

This object is accessed when you invoke the GetCurrentReading method; and, it is accessed when you retrieve the Reading property of the LightSensorReadingChangedEventArgs object in the event callback method..

Properties

IlluminanceInLux IlluminanceInLux IlluminanceInLux

Gets the illuminance level in lux.

public : float IlluminanceInLux { get; }public float IlluminanceInLux { get; }Public ReadOnly Property IlluminanceInLux As float
Value
float float float

The illuminance level in lux.

Attributes

PerformanceCount PerformanceCount PerformanceCount

Prerelease. Gets the performance count associated with the reading. This allows the reading to be synchronized with other devices and processes on the system.

public : IReference<TimeSpan> PerformanceCount { get; }public Nullable<TimeSpan> PerformanceCount { get; }Public ReadOnly Property PerformanceCount As Nullable<TimeSpan>
Value
IReference<TimeSpan> Nullable<TimeSpan> Nullable<TimeSpan>

The performance count for the reading. Null if this property is not supported on the sensor.

Attributes
Additional features and requirements
Device family
Windows 10 Insider Preview (introduced v10.0.16225.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v5)

Properties Properties Properties

Prerelease. Gets the data properties reported by the sensor.

public : IMapView<string, object> Properties { get; }public IReadOnlyDictionary<string, object> Properties { get; }Public ReadOnly Property Properties As IReadOnlyDictionary<string, object>
Value
IMapView<PlatForm::String, PlatForm::Object> IReadOnlyDictionary<string, object> IReadOnlyDictionary<string, object>

Contains a key/value pair for each data property reported by the sensor for the given reading. The key is a string of the property key, and the value is the value of the property that the key represents.

Attributes
Additional features and requirements
Device family
Windows 10 Insider Preview (introduced v10.0.16225.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v5)

Timestamp Timestamp Timestamp

Gets the time at which the sensor reported the reading.

public : DateTime Timestamp { get; }public DateTimeOffset Timestamp { get; }Public ReadOnly Property Timestamp As DateTimeOffset
Value
DateTime DateTimeOffset DateTimeOffset

The time at which the sensor reported the reading.

Attributes