FIX: Custom Expression Builder with Query Designer Crashes VFP (220966)

The information in this article applies to:

Microsoft Visual FoxPro for Windows 6.0

This article was previously published under Q220966

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 that this is a bug in the Microsoft products that are 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:

194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Steps to Reproduce Behavior

Create a program called Mytest that contains the following code and save it:
```
PARAMETER x
? x
RETURN
					
```
Issue the following commands in the Command window:
```
_getexpr="Mytest"
CREATE QUERY
					
```
After the Open dialog appears, press the ESCAPE key.
Press the button containing the ellipses (...) next to the Functions and Expressions text box. The error listed in the SYMPTOMS section occurs.

Modification Type:	Major	Last Reviewed:	10/15/2002
Keywords:	kbBug kbCodeSnippet kbDesigner kbDSupport kbVS600sp3fix KB220966