IOCTL_INTERNAL_DISCONNECT_IDLE IOCTL (parallel.h)
The IOCTL_INTERNAL_DISCONNECT_IDLE request disconnects the IEEE 1284 operating modes that are set for a parallel device. The system-supplied bus driver for parallel ports sets the default operating mode to IEEE 1284-compatible.
For more information, see Setting and Clearing a Communication Mode for a Parallel Device.
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 devices.
Requirements
| Requirement | Value |
|---|---|
| Header | parallel.h (include Parallel.h) |