GetListItem()
USAGE
ListItem = (struct ListItem *) GetListItem(ListInfo)
FUNCTION
This routine should ba called when the user has clicked on the List gadget
(see InitListInfo).
The selected item (if such exists) is highlighted and a pointer to it
returned. ListItem.ActiveItem is updated to reflect this selection.
INPUTS
ListInfo = Pointer to ListInfo structure that describe the list.
RESULT
ListItem = Pointer to the selected ListItem, if it exists, or NULL if ther is
none.
SEE ALSO
InitListInfo