The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Run-Time Error Message
Run-Time Error 15: Invalid drive value
A procedure was passed an invalid value for a
drive.
The ChDir and GetDir procedures give this error if passed
an invalid drive specification.