OS-DRIVES function (Windows only) Returns a comma-separated list of available drives. Syntax OS-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. Note On platforms other than Windows, OS-DRIVES compiles and executes, but returns the empty string ("").
OS-DRIVES
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.
