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Q171548: FIX: Binary-Compatible Server Causes VB to Hang in IDE

Article: Q171548
Product(s): Microsoft Visual Basic for Windows
Version(s): WINDOWS:5.0; WINNT:97,97sp2
Operating System(s): 
Keyword(s): kbVBp500 kbVS97sp2fix kbvbp500sp3fix
Last Modified: 18-JUN-2001

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The information in this article applies to:

- Microsoft Visual Basic Control Creation Edition for Windows, version 5.0 
- Microsoft Visual Basic Learning Edition for Windows, version 5.0 
- Microsoft Visual Basic Professional Edition for Windows, version 5.0 
- Microsoft Visual Basic Enterprise Edition for Windows, version 5.0 
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SYMPTOMS
========

After adding functionality and re-compiling a server application (EXE, DLL, or
OCX) with Binary compatibility set several times with Visual Studio 97 Service
Pack 2, the Visual Basic IDE could hang.

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 3.

For more information, please see the following article in the Microsoft Knowledge
Base:

  Q170365 : 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 3, please see the following article in the Microsoft Knowledge
Base:

  Q175450 : INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 3

MORE INFORMATION
================

If you have an ActiveX project built with binary compatibility set, you may
experience some problems. The problems caused by this bug are difficult to
reproduce consistently. This article offers just one way to reproduce this
behavior, so be aware that the IDE may hang under other conditions when your
project is using in Binary compatibility switch.

Steps to Reproduce Behavior
---------------------------

1. Create an ActiveX project with two classes and add some methods to both
  classes. Compile this ActiveX project.

2. Add a method to Class1(the first class listed in .VBP file).

3. Set binary compatibility to the ActiveX project you just generated. Compile
  this ActiveX project again.

4. Set binary compatibility to this new generated ActiveX project.

5. Press the F5 key to run the project and note that the IDE hangs.

REFERENCES
==========

  Q171550 : FIX: Recompiling With SP2 Breaks Binary Compatibility

======================================================================
Keywords          : kbVBp500 kbVS97sp2fix kbvbp500sp3fix 
Technology        : kbVBSearch kbAudDeveloper kbZNotKeyword6 kbZNotKeyword2 kbVB500Search kbVBA500Search kbVB500 kbZNotKeyword3
Version           : WINDOWS:5.0; WINNT:97,97sp2
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

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