Note to Visual Basic for DOS Users

Short Description
Note to Visual Basic for DOS Users. This note explains Visual Basic for DOS programming information not. included in the NI-488.2 Software Reference Manual …

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. National Instruments Corp. October 1992 Part Number 370890A-01
Note to Visual Basic for DOS Users
This note explains Visual Basic for DOS programming information not
included in the NI-488.2 Software Reference Manual for MS-DOS
(part number 320282-01).
Running Visual Basic for DOS Application Programs
The Microsoft Professional BASIC language interface is compatible with
Visual Basic for DOS; however, you must first recreate all QuickLibraries
using the file LINK.EXE and the library support files VBDOS.LIB and
VBDOSQLB.LIB. These files are part of Visual Basic for DOS. The
following steps show you how to recreate your QuickLibraries using
LINK.EXE, the library support files, and Microsoft Professional BASIC
files MBIB.OBJ and MBDECL.BAS in Visual Basic for DOS application
programs.
1. You must include MBDECL.BAS at the beginning of your application
program. To do this, enter the following command in the module-level
code:
‘$INCLUDE: ‘MBDECL.BAS’
Do not list MBDECL.BAS in a project .MAK file.
Enter Steps 2 through 4 at the command line.
2. To set up the Visual Basic environment, first create a QuickLibrary with
the language interface. To create the QuickLibrary VBIB.QLB,…