IOCTL_INTERNAL_PARCLASS_DISCONNECT IOCTL

The IOCTL_INTERNAL_PARCLASS_DISCONNECT request disconnects a client from a parallel device. After disconnecting from a parallel device, a client must not use any information obtained from a previous IOCTL_INTERNAL_PARCLASS_CONNECT request.

For more information, see Connecting to a Parallel Device.

Major Code

IRP_MJ_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

   
Header parallel.h (include Parallel.h)

See Also

IOCTL_INTERNAL_PARCLASS_CONNECT