The LIST widget is similar to a COMBO widget except the LIST widget does not allow you to enter a string, but only to select from a list of items. A vertical scrollbar always appears in this widget. There is no horizontal scrollbar.
Events
Events for the LIST widget are:
·
SELECTION
·
SYSTEM
SELECTION
This event will be generated any time the user changes selections in the list. If the user clicks the mouse anywhere that is not a valid list item entry, a SELECTION event will be generated and -1 is returned for the SELECTION attribute.
SYSTEM MENU
This event is generated when the operator selects items from the SYSTEM MENU.