Windows XP SP1
The following functions were added to the Windows application programming interface (API) in this release:
The following IOCTLs were added to the Windows API in this release:
IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS
IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS
IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS
Build date: 3/25/2010