DOCUMENT:Q223092  21-JUN-2001  [vbwin]
TITLE   :FIX: Using VB with Modal Form Fails in Internet Explorer
PRODUCT :Microsoft Visual Basic for Windows
PROD/VER:WINDOWS:4.01 SP1,4.01 SP2,5.0,6.0
OPER/SYS:
KEYWORDS:kbservicepack kbActiveX kbInternet kbVBp kbVBp600 kbVS600sp2 kbVS600SP1 kbVS600sp3fix k

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The information in this article applies to:

 - Microsoft Visual Basic Learning Edition for Windows, version 6.0 
 - Microsoft Visual Basic Professional Edition for Windows, version 6.0 
 - Microsoft Visual Basic Enterprise Edition for Windows, version 6.0 
 - Microsoft Internet Explorer (Programming) versions 4.01 SP1, 4.01 SP2, 5.0 
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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 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
================

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:

   Q171825 FIX: Tabbing Problems Using ActiveX Document in a Frame

   Q200027 HOWTO: Tell if Internet Explorer is Offline from an ActiveX Doc

   Q168428 HOWTO: Test Your ActiveX Documents (.VBD)

   Q167380 PRB: IE Reports Unknown Type .VBD for ActiveX Document

   Q176468 INFO: Behavior of Forms in an ActiveX Document


For more information on developing Web-based solutions for Internet Explorer,
please see the following Web sites:

   http://msdn.microsoft.com/workshop/default.asp

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

   http://support.microsoft.com/highlights/iep.asp?FR=0&SD=MSDN

Additional query words: VBD BUSY BROWSER

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Keywords          : kbservicepack kbActiveX kbInternet kbVBp kbVBp600 kbVS600sp2 kbVS600SP1 kbVS600sp3fix kbInetDev 
Technology        : kbVBSearch kbIEsearch kbAudDeveloper kbZNotKeyword6 kbSDKIESearch kbZNotKeyword2 kbVB600Search kbVBA600 kbVB600 kbSDKIE401SP1 kbSDKIE401SP2
Version           : WINDOWS:4.01 SP1,4.01 SP2,5.0,6.0
Issue type        : kbbug
Solution Type     : kbfix

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ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
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Copyright Microsoft Corporation 2001.