FIX: NODEFAULT in Activate of Page Can Cause Fatal Error

• Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a, 6.0

SYMPTOMS

Issuing a NODEFAULT command in the Activate event of a page in conjunction with the pageframe's PageCount property being set to 0, can cause the following error:

Fatal Error: Exception code C000005

STATUS

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

This bug was corrected in Visual Studio 6.0 Service Pack 3.

For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Steps to Reproduce Behavior

1. Create a PRG and type in the code below:




PUBLIC oform1
oform1 = CREATEOBJECT('form1')
oform1.SHOW()

DEFINE CLASS form1 AS FORM
	ADD OBJECT pf1 AS PAGEFRAME WITH ;
		PAGECOUNT = 0
	PROCEDURE pf1.INIT()
		THIS.ADDOBJECT('pg1', 'pg')
	ENDPROC
ENDDEFINE

DEFINE CLASS pg AS PAGE
	PROCEDURE ACTIVATE()
		NODE
	ENDPROC
ENDDEFINE 

2. Save and run the PRG.


Immediately after the PRG runs, the Fatal Error occurs and Visual FoxPro terminates.

Additional query words:

Keywords : kbContainer kbCtrl kbOOP kbVFp600 kbVFp600bug kbVS600sp3fix kbGrpFox kbDSupport
Version : WINDOWS:5.0,5.0a,6.0
Platform : WINDOWS
Issue type : kbbug