XmListUpdateSelectedList — A List function that updates the XmNselectedItems resource

XmListUpdateSelectedList frees the contents of the current XmNselectedItems list. The  routine  traverses
       the  XmNitems  list and adds each currently selected item to the XmNselectedItems list. For each selected
       item, there is a corresponding entry in the updated XmNselectedItems list.

       widget    Specifies the ID of the List widget to update

       For a complete definition of List and its associated resources, see XmList(3).

XmListUpdateSelectedList    —    A   List   function   that   updates   the   XmNselectedItems   resource
       "XmListUpdateSelectedList" "List functions" "XmListUpdateSelectedList"

XmList(3).

                                                                                     XmListUpdateSelectedList(3)

       #include <Xm/List.h>
       voidXmListUpdateSelectedList(
       Widgetwidget);