DistListItem.MemberCount Property (Outlook)

Returns a Long indicating the number of members in a distribution list. Read-only.

expression .MemberCount

expression A variable that represents a DistListItem object.

The value returned represents all members of the distribution list, including member distribution lists. Each member distribution list is counted as a single member. That is, MemberCount is not an aggregate sum of the recipients in the distribution list plus recipients in member distribution lists. For example, if a distribution list contains 10 recipients plus one distribution list containing 15 recipients, MemberCount returns 11.

This Microsoft Visual Basic for Applications example steps through the default Contacts folder, and if it finds a distribution list with more than 20 members it displays the item.

Sub CheckDLs() 
 
 Dim myOlFolder As Outlook.Folder 
 
 Dim myOlItems As Outlook.Items 
 
 Dim myOlDistList As Outlook.DistListItem 
 
 Dim x as Integer 
 
 
 
 Set myOlFolder = Application.GetNamespace("MAPI").GetDefaultFolder(olFolderContacts) 
 
 Set myOlItems = myOlFolder.Items 
 
 For x = 1 To myOlItems.Count 
 
 If TypeName(myOlItems.Item(x)) = "DistListItem" Then 
 
 Set myOlDistList = myOlItems.Item(x) 
 
 If myOlDistList.MemberCount > 20 Then 
 
 MsgBox myOlDistList.DLName & " has more than 20 members." 
 
 myOlDistList.Display 
 
 End If 
 
 End If 
 
 Next x 
 
End Sub
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