SENSOR_CATEGORY_LIGHT

The SENSOR_CATEGORY_LIGHT category contains sensors that provide information about characteristics of light.

Platform-Defined Sensor Types

This category includes the following platform-defined sensor types.

Sensor type	Description
SENSOR_TYPE_AMBIENT_LIGHT {97F115C8-599A-4153-8894-D2D12899918A}	Ambient light sensors.

Platform-Defined Data Fields

Platform-defined property keys for this category are based on SENSOR_DATA_TYPE_LIGHT_GUID:

{E4C77CE2-DCB7-46E9-8439-4FEC548833A6}

This category includes the following platform-defined data fields.

Data field name and PID	Description
SENSOR_DATA_TYPE_LIGHT_CHROMACITY (PID = 4)	VT_VECTOR\|VT_UI1 Chromaticity as a counted array of float values. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as an IEEE 4-byte real value (VT_R4). For information about working with arrays, see Retrieving Vector Types.
SENSOR_DATA_TYPE_LIGHT_LEVEL_LUX (PID = 2)	VT_R4 Illuminance level, in lux.
SENSOR_DATA_TYPE_LIGHT_TEMPERATURE_KELVIN (PID = 3)	VT_R4 Color temperature, in degrees Kelvin.

Requirements