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Q162252: BUG: Erroneous "Class Definition is Cyclical" Error

Article: Q162252
Product(s): Microsoft FoxPro
Version(s): 5.0,6.0,7.0
Operating System(s): 
Keyword(s): kbvfp kbvfp500bug kbvfp600bug kbGrpDSFox kbDSupport
Last Modified: 08-DEC-2001

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, versions 5.0, 6.0, 7.0 
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SYMPTOMS
========

When you add a container with nested controls to another container in Class
Designer, the following error message appears:

  Class definition is cyclical

This behavior does not occur in Visual FoxPro 3.0b.

STATUS
======

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

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

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

The following code illustrates the error:

     CLEAR ALL
     DELETE FILE cyctest.vcx
     DELETE FILE cyctest.vct
     KEYBOARD "{y}" CLEAR
     CREATE CLASS pf AS PAGEFRAME OF cyctest NOWAIT
     RELEASE WINDOW "Class Designer"

     LOCAL aobj[1], xx
     CREATE CLASS c1 AS CONTAINER OF cyctest NOWAIT
     =ASELOBJ(aObj,1)
     xx=aObj[1]
     SET CLASSLIB TO cyctest

     xx.ADDOBJECT('pf1','pf')
     xx.pf1.Page1.ADDOBJECT('pf2','pf')

     KEYBOARD "{y}" CLEAR
     RELEASE WINDOW "Class Designer"

     CREATE CLASS c2 OF cyctest AS CONTAINER NOWAIT
     =ASELOBJ(aObj,1)
     xx=aObj[1]
     xx.ADDOBJECT('c11','c1')

     SET CLASSLIB TO


Additional query words:

======================================================================
Keywords          : kbvfp kbvfp500bug kbvfp600bug kbGrpDSFox kbDSupport 
Technology        : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP600
Version           : :5.0,6.0,7.0
Issue type        : kbbug
Solution Type     : kbpending

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