// ntddvdeo.h
typedef struct _BRIGHTNESS_LEVEL {
UCHAR Count;
UCHAR Level[BRIGHTNESS_MAX_LEVEL_COUNT];
} BRIGHTNESS_LEVEL, *PBRIGHTNESS_LEVEL;
View the official Windows Driver Kit DDI referenceNo description available.
A BRIGHTNESS_LEVEL structure contains the brightness levels of a display panel.
CountThe number of brightness levels in the array.
LevelArray of brightness levels. The number of elements in this array is specified by the Count member.
IOCTL_PANEL_QUERY_BRIGHTNESS_RANGES