IOCTL_NFP_ENABLE IOCTL (nfpdev.h)
The client sends the IOCTL_NFP_ENABLE request to re-enable previously disabled subscriptions, publications, and presence events.
Major code
Input buffer
None
Output buffer
None
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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Header | nfpdev.h |
See also
Near field communication (NFC) overall design guide
Near field proximity design guide (Tap and Do, NFP provider model, driver requirements)