Microsoft KB Archive/171528
Article ID: 171528
Article Last Modified on 11/5/2003
- Microsoft Visual Basic 5.0 Learning Edition
- Microsoft Visual Basic 5.0 Professional Edition
This article was previously published under Q171528
Attempting to unload the current form via the Unload statement in the ItemCheck event of a Listbox control may cause your application to terminate with the following error:
This problem may be intermittent and may only occur when running the project in the IDE (Integrated Development Environment).
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
The Unload statement is used to close a specified form. If you use "Unload Me" in the ItemCheck event of a Listbox control, you may encounter the error stated above. The recommended procedure for unloading a form is to add the Unload statement to the Click event of a CommandButton or Menu control.
Keywords: kbbug kbfix kbvbp500sp2fix kbvs97sp2fix KB171528