DosSelectDisk

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This call selects the drive specified as the default drive for the calling process.

Syntax

DosSelectDisk (DriveNumber)

Parameters

DriveNumber (USHORT) - input 
New default drive number, where 1 = A and 2 = B and so on.

Return Code

rc (USHORT) - return
Return code descriptions are:
  • 0 NO_ERROR
  • 15 ERROR_INVALID_DRIVE

Bindings

C

#define INCL_DOSFILEMGR

USHORT  rc = DosSelectDisk(DriveNumber);
USHORT           DriveNumber;   /* Default drive number */
USHORT           rc;            /* return code */

MASM

EXTRN  DosSelectDisk:FAR
INCL_DOSFILEMGR     EQU 1

PUSH   WORD    DriveNumber   ;Default drive number
CALL   DosSelectDisk

Returns WORD