IOCTL_NFP_ENABLE IOCTL

Description

The client sends the IOCTL_NFP_ENABLE request to re-enable previously disabled subscriptions, publications, and presence events.

Parameters

Major code

Input buffer

None

Input buffer length

Output buffer

None

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.

Otherwise, Status to the appropriate error condition as a NTSTATUS code.

For more information, see NTSTATUS Values.

Remarks

The following are required actions when using this IOCTL:

• When this IOCTL is received the driver MUST mark the file handle as “Enabled”.
• If the file handle is already marked “Enabled” the driver MUST complete the IOCTL with STATUS_INVALID_DEVICE_STATE.
• If a device is currently proximate when this IOCTL is successfully completed, then the message data (along with its type) MUST be transmitted (only once) to the proximate device.

See also

IOCTL_NFP_DISABLE

Near field communication (NFC) overall design guide

Near field proximity design guide (Tap and Do, NFP provider model, driver requirements)