en:docs:fapi:dosselectdisk

This is part of Family API which allow to create dual-os version of program runs under OS/2 and DOS

Note: This is legacy API call. It is recommended to use 32-bit equivalent

2021/09/17 06:47 · prokushev
2021/08/20 05:18 · prokushev

DosSelectDisk

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

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

Note


en/docs/fapi/dosselectdisk.txt · Last modified: 2021/09/17 10:19 by prokushev