IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO - NtDoc

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

// CTL_CODE(0x0016, 0x00f, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO 0x0016003C
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Windows Driver Kit DDI reference (ni-parallel-ioctl_internal_release_parallel_port_info)

IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO IOCTL

Major Code:

IRP_MJ_DEVICE_CONTROL

Description

The IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO request returns STATUS_SUCCESS.

Note The intended purpose of this IOCTL is to make it possible to page the callback routines supported by the system-supplied function driver for parallel ports. However, this capability is not yet implemented.

Parameters

Major code

IRP_MJ_INTERNAL_DEVICE_CONTROL

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Information member is set to zero.

The Status member is set to one of the generic status values returned by internal device control requests for parallel ports.

See also

IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO

IOCTL_INTERNAL_GET_MORE_PARALLEL_PORT_INFO

IOCTL_INTERNAL_GET_PARALLEL_PNP_INFO

View the official Windows Driver Kit DDI reference

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