OlkListBox.ListIndex Property (Outlook)
Returns or sets a Long that indicates the location of the currently selected element in the list of the combo box control. Read/write.
Version Information
Version Added: Outlook 2007
Syntax
expression .ListIndex
expression A variable that represents an OlkListBox object.
Remarks
ListIndex is a zero-based value indexing into the array of items in the list. The default value is -1, indicating that no item is selected.