Updates the file wrapper to match a given file-system node.
- macOS 10.0–10.10Deprecated
true if the update is carried out,
false if it isn’t needed.
For a directory file wrapper, the contained file wrappers are also sent
update(from messages. If nodes in the corresponding directory on the file system have been added or removed, corresponding file wrappers are released or created as needed.
Beginning with OS X v10.6, the preferred method of referring to files is with a
file:// URL. Therefore, this method has been deprecated in favor of