KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q174967: PRB: DoDefault() in Command Window Stops Visual FoxPro

Article: Q174967
Product(s): Microsoft FoxPro
Version(s): WINDOWS:5.0a
Operating System(s): 
Keyword(s): kberrmsg kbvfp
Last Modified: 26-AUG-1999

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 5.0a 
-------------------------------------------------------------------------------

SYMPTOMS
========

Typing DoDefault() in the Command window causes an application error in Visual
FoxPro version 5.0a. In Windows 95, the error message below appears:

  This program performed an illegal operation and will be shut down.

After pressing the Details push button, the following message appears:

  VFP caused an invalid pagefault in module VFP .EXE at <register
  address>.

In Windows NT 4.0, the following error appears:

  An application error had occurred and an application error log is being
  generated.
  VFP.EXE
  Exception: access violation.

STATUS
======

Microsoft is researching this problem and will post new information here in the
Microsoft Knowledge Base as it becomes available.

MORE INFORMATION
================

This also occurs with Visual Studio 97 Service Pack 2 installed. In Visual
FoxPro version 5.0, typing DoDefault() in Command window error produces the
following error message:

  Statement is only valid within a Method

Steps to Reproduce Behavior
---------------------------

1. In the Command window, type in the following command:

        DoDefault()

NOTE: Visual FoxPro version 5.0a stops immediately after you press Enter.

Additional query words: Dodefault GPF Invalid Page Fault Application Error Unhandled exception

======================================================================
Keywords          : kberrmsg kbvfp 
Technology        : kbVFPsearch kbAudDeveloper kbVFP500a
Version           : WINDOWS:5.0a
Issue type        : kbprb

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.