Specifies a single user for which this range permission shall be enabled (i.e. a user which shall be able to edit this range when document protection is enabled). This editor can be stored in one of the following forms: DOMAIN\username - for users whose access shall be authenticated using the current user's domain credentials user@domain.com - for users whose access shall be authenticated using the user's e-mail address as credentials user - for users whose access shall be authenticated using the current user's machine credentials

'Declaration
 
Public Class UserEditor 
   Inherits RangeEditor

public class UserEditor : RangeEditor