Using the File Manager

This section provides specific techniques for using the new features of the

• You can pass FSSpec records that your application receives from the

Standard File Package and the Finder directly to a set of

• You can exchange the contents of two files when updating a stored file,

using the FSpExchangeFiles function.

• You can search a volume's catalog quickly, looking for files or

directories that meet the criteria you specify, using the PBCatSearch

function.

• You can track files within a volume by file number, using the set of

functions that create and manipulate file ID references.

• You can mount a remote volume programmatically, without going

through the Chooser, using the remote mounting functions.

• You can read and change privilege information in foreign file systems

using the PBGetForeignPrivs and PBSetForeignPrivs functions.

Some of the new File Manager features depend on the system software;

others depend on the characteristics of the volume. Before using any of the new

File Manager features, check for availability by calling either the Gestalt

function or the PBHGetVolParms function, depending on whether the

feature's presence depends on the system software or the characteristics of the

volume.

You can use Gestalt to determine whether or not you can call the functions

that accept and support FSSpec records. Call Gestalt with the gestaltFSAttr

selector to check for File Manager features. The response parameter has two

relevant bits.

gestaltFullExtFSDispatching All of the routines selected through the

_HFSDispatch trap macro are available to

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