Microsoft KB Archive/251008

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OL2000: ReadOnly Property Causes One-off Form

ID: Q251008

The information in this article applies to:

  • Microsoft Outlook 2000


You create an Outlook custom form solution that programmatically uses the ReadOnly property of a control, and then the form becomes a one-off. When an item is a one-off, the typical symptoms include:

  • The size of an item may increase.
  • The message class changes to the standard message class for that type of item.
  • The "enable/disable" macro warning may unexpectedly appear.


Outlook 2000 differs from previous versions in that you can programmatically set the Message control of a form to read-only. This change is most likely the cause of the one-off side effect, but it is unclear at this time. This issue is still being investgated.


For additional information about one-off forms and a workaround that will re-associate the item with your published form, click the article number below to view the article in the Microsoft Knowledge Base:

Q207896 OL2000: Working with Form Definitions and One-Off Forms

Another workaround may be to set a control's Enabled property to False instead of the using ReadOnly property.


Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.


This problem does not occur in previous versions of Outlook.


For additional information about available resources and answers to commonly asked questions about Outlook solutions, click the article number below to view the article in the Microsoft Knowledge Base:

Q146636 OL2000: Questions About Custom Forms and Outlook Solutions

Additional query words: OutSol OutSol2000

Keywords :
Version : WINDOWS:2000
Platform : WINDOWS
Issue type : kbbug

Last Reviewed: February 2, 2000
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