(Windows only)
Returns
a comma-separated list of available drives.
Example
The
following procedure populates a selection list with the output of
the OS-DRIVES function, and then displays the list and prompts the
user to select a drive. The procedure then informs the user that
subsequent writes will be to the selected drive.
r-os-drv.p
DEFINE VARIABLE drives AS CHARACTER NO-UNDO LABEL "Select a Drive"
VIEW-AS SELECTION-LIST INNER-CHARS 3 INNER-LINES 5.
DEFINE FRAME f
drives.
drives:LIST-ITEMS = OS-DRIVES.
UPDATE drives WITH FRAME f.
MESSAGE "Files will be written to drive" INPUT drives:SCREEN-VALUE.
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Note
On platforms
other than Windows, OS-DRIVES compiles and executes, but returns
the empty string ("").