IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO IOCTL (parallel.h)
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.
Major code
IRP_MJ_INTERNAL_DEVICE_CONTROL
Input buffer
None.
Input buffer length
None.
Output buffer
None.
Output buffer length
None.
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.
Requirements
| Requirement | Value |
|---|---|
| Header | parallel.h (include Parallel.h) |
See also
IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO
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