method Editor.SortItems ([Ascending as Variant], [Reserved as Variant])
Sorts the list of items in the editor.

TypeDescription
Ascending as Variant A boolean expression that indicates the sort order of the items. By default, is the Ascending parameter is True, if it is missing. 
Reserved as Variant Not used. For future use only.

Use the SortItems method to sort the items in a drop down editor. Use the ExpandAll method to expand all items. Call the SortItems method after adding predefined values to the drop down list. Use the AddItem or InsertItem method to add predefined values to the drop down list. Use the SortOrder property to sort a column.