IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntddvdeo.h

// CTL_CODE(0x0023, 0x119, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES 0x00230464
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ni-ntddvdeo-ioctl_video_free_public_access_ranges)

IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES IOCTL

Description

Releases the address range that was allocated by a preceding IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES request. Support for this nonmodal request is optional.

Parameters

Major code

Input buffer

The VRP InputBuffer contains an array of VIDEO_MEMORY structures to be released.

Input buffer length

Output buffer

None

Output buffer length

Input/output buffer

Input/output buffer length

Status block

The miniport driver does not set the Information member of the STATUS_BLOCK structure.

See also

IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES

VIDEO_MEMORY

View the official Windows Driver Kit DDI reference

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