FIX: C0000005 Error with Specific Access Methods and Debugger (221657)


The information in this article applies to:

  • Microsoft Visual FoxPro for Windows 6.0
This article was previously published under Q221657

SYMPTOMS

Under a specific set of circumstances involving Access methods in custom classes and the use of the debugger, Visual FoxPro displays the following error message:
Fatal error: Exception code=C0000005
This behavior may not happen if you run the form using the Run button (!) in the system toolbar although this sometimes can occur.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

The Visual Studio 6.0 Service Pack 3 readme lists this bug as being fixed. Service Pack 3 did not fix this bug.

MORE INFORMATION

Steps to Reproduce Behavior

  1. Create a new class based on PageFrame.
  2. From the Class menu, select Edit Property/Method. Select the MousePointer property from the Property/Method Information list. Select the Access method check box.
  3. From the Property/Method Information list, select the Name property. Select the Access method check box. Click Close and click Yes to save changes.
  4. Press Ctrl-W to save the class.
  5. Create a new form. On the Form Controls toolbar, click View Classes. Select Add and select the VCX file in which your PageFrame class was saved.
  6. Add your custom PageFrame class to the form.
  7. Add a command button to the page frame. In the command button's click event, add the following code:
    SET STEP ON
  8. Run the form using the DO FORM command.
  9. Click the command button on the page frame.
  10. After the debugger opens, switch back to Visual FoxPro.
  11. Move the mouse pointer over the page frame.
NOTE: If the mouse pointer is moved over the page frame for a while, the following error is displayed:
Fatal error: Exception code=C0000005
Modification Type:MajorLast Reviewed:10/15/2002
Keywords:kbBug kbContainer kbCtrl kbDSupport kbOOP KB221657
©2002 Microsoft Corporation. All rights reserved.