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Q315075: FIX: Error Clicking in Properties Window After Editing Grid

Article: Q315075
Product(s): Microsoft FoxPro
Version(s): 7.0
Operating System(s): 
Keyword(s): kbContainer kbCtrl kbvfp kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283
Last Modified: 12-FEB-2002

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 7.0 
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SYMPTOMS
========

When you edit a grid object on a form in the Form Designer, and you then click
the Properties window, Visual FoxPro reports the following error message and
closes unexpectedly:

  Fatal Error: Exception code: C0000005

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Visual FoxPro for
Windows 7.0. For additional information, please see the following article in the
Microsoft Knowledge Base:

  Q316964 How to Obtain the Latest Visual FoxPro for Windows 7.0 Service Pack

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 first corrected in
Visual FoxPro for Windows 7.0 Service Pack 1.

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

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

1. Create a program called "Test" and add the following code to it:

  SET RESOURCE OFF && Take the FoxPro user file out of the picture.
  CLEAR TYPEAHEAD 
  LOCAL aobj[1], xx
  DELETE FILE testxx.sc?
  CREATE FORM testxx NOWAIT
  =ASELOBJ(aobj,1)
  xx = aobj[1]
  xx.autocenter = .t.
  xx.addobject('grid1','grid')
  ACTIVATE WINDOW properties 
  * WDOCKABLE('properties',.f.)  && Behavior occurs whether dockable or not.
  xx.grid1.columncount = 2
  xx.grid1.columns[1].name = 'Col1'
  * Trigger Properties window object dropdown.
  KEYBOARD '{ctrl+pgdn}'
  DOEVENTS 
  xx.grid1.columns[2].name = 'Col2'
  * Trigger Properties window object dropdown
  KEYBOARD '{ctrl+pgdn}'
  DOEVENTS 
  xx.grid1.columncount = 3
  xx.grid1.columns[3].name = 'Col3'
  ACTIVATE WINDOW 'form designer - testxx.scx'
  * Save form via File/Save from menu.
  KEYBOARD '{alt+f}s'
  DOEVENTS 
  MOUSE CLICK AT 200, 100 PIXELS WINDOW 'properties'
  DOEVENTS  
  RETURN 

2. Save the program file, and then execute the program from the Command window.

The preceding code is an automated example. To create the error by using the user
interface, follow these steps:

1. Create a form called "Temp". Make sure that the Form Designer window is
  normal size, not maximized.

2. Place a baseclass Grid on the form.

3. Select the grid, and then open the Properties sheet.

4. In the Properties window, change the grid's ColumnCount property to 2.

5. In the Properties window, select column 1, and then change the Name property
  to Col1.

6. In the Properties window, select column 2, and then change the Name property
  to Col2.

7. In the Properties window, change the grid's ColumnCount to 3.

8. In the Properties window, select column 3, and then change the Name property
  to Col3.

9. Click the Form Designer window title bar (not the form title bar).

10. Press ALT+F+S to save the form.

11. Click the Properties window.

Additional query words: kbVFP700sp1fix

======================================================================
Keywords          : kbContainer kbCtrl kbvfp kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283 
Technology        : kbVFPsearch kbAudDeveloper kbVFP700
Version           : :7.0
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

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