// ntddvdeo.h

// CTL_CODE(0x0023, 0x114, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES 0x00230450
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Windows Driver Kit DDI reference (ni-ntddvdeo-ioctl_video_query_pointer_capabilities)

IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES IOCTL

Description

Returns information about the adapter's "hardware cursor" features. Support for this modal request is optional.

Parameters

Major code

Input buffer

None

Input buffer length

Output buffer

The miniport driver returns a VIDEO_POINTER_CAPABILITIES structure in the VRP OutputBuffer.

Output buffer length

Input/output buffer

Input/output buffer length

Status block

If the miniport driver successfully returns the pointer capabilities, it sets the Information member of the STATUS_BLOCK structure to sizeof(VIDEO_POINTER_CAPABILITIES); otherwise, the miniport driver sets this member to zero.

IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES - NtDoc