constants EditEnum
The EditEnum type specifies the caption to be
  edited on the element. The Part parameter of the Edit method specifies the
  caption of the element to be edited. The EditEnum type supports the following
  values:


 |  | Name | Value | Description |  | 
 |  | 
exEditCaption | 0
 | 
 Edits the element's caption.
 |  | 
 |  | 
exEditExtraCaption | 1
 | 
 Edits the element's extra caption.
 |  |