DOCUMENT:Q162252  08-DEC-2001  [foxpro]
TITLE   :BUG: Erroneous "Class Definition is Cyclical" Error
PRODUCT :Microsoft FoxPro
PROD/VER::5.0,6.0,7.0
OPER/SYS:
KEYWORDS:kbvfp kbvfp500bug kbvfp600bug kbGrpDSFox kbDSupport

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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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Copyright Microsoft Corporation 2001.