Jump to content

DosSelectDisk

From EDM2
Revision as of 04:28, 15 August 2016 by Martini (talk | contribs) (Created page with "==Description== This call selects the drive specified as the default drive for the calling process. ==Syntax== <PRE> DosSelectDisk (DriveNumber) </PRE> ==Parameters== ;...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Description

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

Remarks

Example Code

C Binding

#define INCL_DOSFILEMGR

USHORT  rc = DosSelectDisk(DriveNumber);

USHORT           DriveNumber;   /* Default drive number */

USHORT           rc;            /* return code */

MASM Binding

EXTRN  DosSelectDisk:FAR
INCL_DOSFILEMGR     EQU 1

PUSH   WORD    DriveNumber   ;Default drive number
CALL   DosSelectDisk

Returns WORD

Related Functions