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Q305041: FIX: Fatal Error When Closing Second Instance of Class Designer

Article: Q305041
Product(s): Microsoft FoxPro
Version(s): 5.0,5.0a,6.0
Operating System(s): 
Keyword(s): kbDesigner kbvfp kbGrpDSFox kbDSupport kbvfp700fix kbvfp700
Last Modified: 28-AUG-2001

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a, 6.0 
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SYMPTOMS
========

In Visual FoxPro 6.0, if you issue the SET RESOURCE ON command and you have two
instances of the Class Designer open, when you close the second instance of the
Class Designer, you may see the following error message:

  Fatal exception: Error code=C0000005

NOTE: In Visual FoxPro 5.0a, you do not need to issue the SET RESOURCE ON command
to see the error.

STATUS
======

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

This problem was corrected in Visual FoxPro version 7.0 for Windows.

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

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

1. In Visual FoxPro 6.0, create a program that contains the following code:

  SET RESOURCE ON
  CLEAR ALL
  DELETE FILE atemp.vc?
  DELETE FILE ctemp.vc?
  CREATE CLASS atextbox AS TEXTBOX OF atemp.vcx NOWAIT
  KEYBOARD '{ctrl+w}'  
  MODI CLASS ctextbox AS TEXTBOX OF ctemp.vcx
  RETURN

2. Close the program and all other windows.

3. Run the program and the error occurs.

Additional query words:

======================================================================
Keywords          : kbDesigner kbvfp kbGrpDSFox kbDSupport kbvfp700fix kbvfp700 
Technology        : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP600 kbVFP500a
Version           : :5.0,5.0a,6.0
Issue type        : kbbug
Solution Type     : kbfix

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