Microsoft KB Archive/251008

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The information in this article applies to:


 * Microsoft Outlook 2000

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SYMPTOMS
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.

CAUSE
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.

RESOLUTION
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.

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

MORE INFORMATION
This problem does not occur in previous versions of Outlook.