/// <summary>
 /// Finds or adds a new menu separator matching the specified information
 /// </summary>
 public IMenuSeparator AddSeparator( MenuSeparatorInfo separatorInfo )
 {
     throw new NotImplementedException( );
 }
 /// <summary>
 /// Finds or adds a new menu separator matching the specified information
 /// </summary>
 public IMenuSeparator this[MenuSeparatorInfo separatorInfo]
 {
     get { return AddSeparator( separatorInfo ); }
 }