FIX: C0000005 Fatal Error with Unknown Var in Include File (221741)

SYMPTOMS

If you include a header file containing an unknown variable to a form or class using the Include File menu option, the following error occurs when saving the file:

Fatal error: Exception code=C0000005

This error does not occur if you use the #INCLUDE to add the header file to the object.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are 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:

194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Steps to Reproduce Behavior

Create the following header file and call it Ztest.h:
```
#IF UnknownVar
#ENDIF
					
```
Create a new class based on a custom class. Include the Ztest.h header file using the Class menu pad and the Include File menu bar. Choose the Ztest.h file in the Include File dialog box and click OK.
Save the file. The C0000005 error message appears.

Here is an automated example that runs in Visual FoxPro 6.0:

Create a program with the following code:

#define EOL chr(13)
***test.prg
dele file testxx.h
strtofile([#IFDEF BLA]+EOL+ ;
 [#IF Empty(BLA)]+EOL+ ;
 [#ENDIF]+EOL+ ;
	[#ENDIF], 'testxx.h')

dele file tempxx.vc?
LOCAL aobj[1], xx
_cliptext = 'testxx.h'
keyb '{alt+c}i{alt+i}{ctrl+v}{enter}{ctrl+w}'

CREATE CLASS TEMP1 AS FORM OF TEMPXX

Save the file and run it.