Article ID: 238765 - View products that this article applies to.
This article was previously published under Q238765
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When you create an Outlook custom form solution that programmatically uses one of the following control properties, the form becomes a one-off:
To work around this problem, use one of the following methods:
Avoid Using These Specific Control PropertiesIf you are designing a custom form solution that will be used by different versions of Outlook, including Outlook 2000, you may want to avoid using these properties so that Outlook 2000 does not create a one-off form.
Depending on the property that you are using, you may be able to use a different approach to achieve the same, or similar, effect. For example, if you are using the ReadOnly property, consider using the Enabled property instead. If you are using the PossibleValues property, you can use a different approach to populate the control. For additional information about how to populate a list box or combo box, please see the following article in the Microsoft Knowledge Base:
NOTE: There are no workarounds for the ItemProperty or LayoutFlags properties, as these properties provide unique functionality.
(https://support.microsoft.com/kb/232341/EN-US/ )OL2000: How to Populate a List Box or Combo Box
Programmatically Reset the Message Class of the ItemYou can programmatically reset the message class of an item so that it continues to use the published form. For additional information about one-off forms and how to avoid them, please see the following article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/207896/EN-US/ )OL2000: Working with Form Definitions and One-Off Forms
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
For additional information about available resources and answers to commonly asked questions about Microsoft Outlook 2000 solutions, click the article number below to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/146636/EN-US/ )OL2000: Questions About Custom Forms and Outlook Solutions