Article ID: 218287
Article Last Modified on 11/23/2006
APPLIES TO
- Microsoft Outlook 2000 Standard Edition
This article was previously published under Q218287
SYMPTOMS
You use the Items collection to refer to a group of items in a folder, but you cannot use various methods in the Outlook object model if a property of an item is not available on the default item type for that folder.
CAUSE
The Items collection in the Outlook object model does not support different types of items in the same folder. The methods most commonly affected include Find, Restrict, Sort, SetColumns, and the UserProperties.Find method. These methods will only work correctly when used with properties that match the default item type for a folder.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
MORE INFORMATION
This problem will most likely occur when trying to use the DistListItem object in the Contacts folder. By default, the Contacts folder is the only Outlook folder that contains different types of items.
The DistListItem contains two properties that are not available on a ContactItem, DLName and MemberCount.
Steps to Reproduce the Problem
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- Make sure you have some distribution lists in your default Contacts folder. To create a distribution list, on the File menu, point to New and then click Distribution List.
- Set a referenc to the Microsoft Outlook 9.0 Object Library and then run the following automation code:
Sub RestrictDistList()
Dim ol As Outlook.Application
Dim oConFolder As Outlook.MAPIFolder
Dim oDistItems As Items
Dim oResItems As Items
Set ol = New Outlook.Application
Set oConFolder = ol.Session.GetDefaultFolder(olFolderContacts)
Set oConItems = oConFolder.Items
Set oDistItems = oConItems.Restrict("[MessageClass] = 'IPM.DistList'")
Set oResItems = OItems.Restrict("[DLName] > 'k'")
End Sub
The last line of code will cause an error because the DLName property exists only on a DistListItem, and not a ContactItem.
REFERENCES
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:
146636 OL2000: Questions About Custom Forms and Outlook Solutions
Additional query words: OutSol OutSol2000 vbscript
Keywords: kbbug kbnofix kbprogramming KB218287
