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Inside Macintosh: Files /
Chapter 2 - File Manager / File Manager Reference
High-Level Volume Access Routines / Manipulating the Default Volume

SetVol

You can change the default volume and default directory using the SetVol function.

FUNCTION SetVol (volName: StringPtr; vRefNum: Integer): OSErr;
volName
A pointer to the name of a mounted volume.
vRefNum
A volume reference number or a working directory reference number.
DESCRIPTION
The SetVol function sets the default volume and directory to the values specified in the volName and vRefNum parameters. If you pass a volume reference number in vRefNum or a pointer to a volume name in volName, SetVol makes the specified volume the default volume and the root directory of that volume the default directory. If you pass a working directory reference number in vRefNum, SetVol makes the specified directory the default directory, and the volume containing that directory the default volume.

RESULT CODES
noErr0No error
nsvErr-35No such volume
bdNamErr-37Bad volume name
paramErr-50No default volume
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© Apple Computer, Inc.
2 JUL 1996