Syntax
'LISTMSEL'(id,item_index)
Description
For BBj-specific information, see the LISTMSEL 
 Mnemonic.
The 'LISTMSEL' mnemonic selects the indicated item without deselecting 
 any other items. This mnemonic can be used only with list boxes that permit 
 multiple selections.
| Parameter | Description | 
| id | Control ID of the list box. It must be an integer between 1 and 32767. | 
| item_index | The item selected from a list. |