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Microsoft KB Archive/171490

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Knowledge Base


FIX: Crash After Toggling Folders in ActiveX EXE Project

Article ID: 171490

Article Last Modified on 12/10/2003



APPLIES TO

  • Microsoft Visual Basic 5.0 Control Creation Edition
  • Microsoft Visual Basic 5.0 Learning Edition
  • Microsoft Visual Basic 5.0 Professional Edition
  • Microsoft Visual Basic 5.0 Enterprise Edition



This article was previously published under Q171490

SYMPTOMS

While expanding and collapsing folders in the Project Explorer Window of an ActiveX EXE project that contains a UserDocument and an ActiveX Designer, the UserDocument disappears and is no longer found in the Project Explorer. Often a General Protection Fault or Invalid Page Fault will follow, either after the UserDocument disappears or when attempting to save the project.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 2.

For more information on the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

170365 INFO: Visual Studio 97 Service Packs - What, Where, and Why


For a list of the Visual Basic 5.0 bugs that were fixed in the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

171554 INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 2


MORE INFORMATION

The bug is difficult to reproduce, but can be reproduced with an ActiveX EXE project that contains a UserDocument and an ActiveX Designer. If you toggle the folders in the Project Explorer from one state to another, the UserDocument will no longer be visible. Once the UserDocument disappears, it cannot be retrieved and, in most cases, a General Protection Fault or similar error will occur.

Keywords: kbbug kbfix kbvbp500sp2fix kbvs97sp2fix KB171490