Article ID: 208316 - View products that this article applies to.
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You create an Outlook COM Add-in and when using it, Outlook stops responding (hangs).
You must use error trapping to prevent all potential run-time errors from happening.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
There are various scenarios where Outlook may hang if you create a COM Add-in and the code in the add-in generates an unexpected run-time error. This problem is related to how Office programs interface with the Visual Basic run-time, and is therefore a general limitation of the COM Add-in architecture.
To avoid these scenarios, every line of code within your COM Add-in must use error trapping to prevent any potential run-time errors from occurring.
For more information about how to implement error trapping in your code, please see the Microsoft Office 2000/Visual Basic Programmer's Guide, chapter 8, "Error Handling and Debugging."
For additional information about available resources and answers to commonly asked questions about Microsoft Outlook 2000 solutions, please see the following article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/146636/EN-US/ )OL2000: Questions About Custom Forms and Outlook Solutions
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