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Q220966: FIX: Custom Expression Builder with Query Designer Crashes VFP

Article: Q220966
Product(s): Microsoft FoxPro
Version(s): WINDOWS:6.0
Operating System(s): 
Keyword(s): kbDesigner kbvfp600 kbvfp600bug kbVS600sp3fix kbGrpDSFox kbDSupport kbCodeSnippet
Last Modified: 02-SEP-1999

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 6.0 
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SYMPTOMS
========

A custom expression builder is defined with the _getexpr system variable.
Pressing the expression builder button next to the "Functions and expressions"
text box in the Query Designer causes the following error:

  Fatal error. Exception=C0000005

This also occurs if you set _getexpr to a file that does not exist.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

This bug was corrected in Visual Studio 6.0 Service Pack 3.

For more information about Visual Studio service packs, please see the following
articles in the Microsoft Knowledge Base:

  Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

  Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

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

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

1. Create a program called Mytest that contains the following code and save it:

  PARAMETER x
  ? x
  RETURN

2. Issue the following commands in the Command window:

  _getexpr="Mytest"
  CREATE QUERY

3. After the Open dialog appears, press the ESCAPE key.

4. Press the button containing the ellipses (...) next to the Functions and
  Expressions text box.

The error listed in the SYMPTOMS section occurs.

Additional query words:

======================================================================
Keywords          : kbDesigner kbvfp600 kbvfp600bug kbVS600sp3fix kbGrpDSFox kbDSupport kbCodeSnippet 
Technology        : kbVFPsearch kbAudDeveloper kbVFP600
Version           : WINDOWS:6.0
Issue type        : kbbug
Solution Type     : kbfix

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