FIX: Using VB with Modal Form Fails in Internet Explorer (223092)


The information in this article applies to:

  • Microsoft Visual Basic Learning Edition for Windows 6.0
  • Microsoft Visual Basic Professional Edition for Windows 6.0
  • Microsoft Visual Basic Enterprise Edition for Windows 6.0
  • Microsoft Internet Explorer (Programming) 4.01 SP1
  • Microsoft Internet Explorer (Programming) 4.01 SP2
This article was previously published under Q223092

SYMPTOMS

When you shut down Internet Explorer, the following error message appears:
This browser window (or ActiveX control in this page) is busy.
Closing this window may cause some problems.

Do you want to close it anyway?

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

This situation occurs when an ActiveX Document DLL project runs at the Visual Basic Integrated Development Environment (IDE) or an ActiveX Document EXE project runs either at design time or at runtime in Internet Explorer.

Steps to Reproduce Behavior

  1. Create a new ActiveX Document EXE project with Visual Basic.
  2. Create a Command Button on the User Document.
  3. Write the following code to User Document: 
    Private Sub Command1_Click()
      Dim frm1 As New Form1
      frm1.Show vbModal, Me
      Unload frm1
      Set frm1 = Nothing
End Sub
  4. Add a new form called form1 in the project.
  5. Create a Command Button on this form.
  6. Put the following code to the form: 
    Private Sub Command1_Click()
     Dim frm1 As New Form1
     frm1.Show vbModal, Me
     Unload frm1
     Set frm1 = Nothing
End Sub
  7. Run the project.
  8. Click the Command1 button. Form1 appears.
  9. Click the button on Form1. Another instance of the Form appears.
  10. Close all the forms.
  11. Close the Internet Explorer window.
The following error message appears:
This browser window (or ActiveX control in this page) is busy.
Closing this window may cause some problems.

Do you want to close it anyway?

REFERENCES

For additional information related to ActiveX Documents and Internet Explorer, click the article numbers below to view the articles in the Microsoft Knowledge Base:

171825 FIX: Tabbing Problems Using ActiveX Document in a Frame

200027 HOWTO: Tell if Internet Explorer is Offline from an ActiveX Doc

168428 HOWTO: Test Your ActiveX Documents (.VBD)

167380 PRB: IE Reports Unknown Type .VBD for ActiveX Document

176468 INFO: Behavior of Forms in an ActiveX Document

For more information about developing Web-based solutions for Microsoft Internet Explorer, visit the following Microsoft Web sites:

http://msdn.microsoft.com/ie/

http://support.microsoft.com/iep

Modification Type:MajorLast Reviewed:5/11/2006
Keywords:kbbug kbfix kbInetDev kbVS600sp3fix KB223092
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