XmListDeleteItem — A List function that deletes an item from the list "XmListDeleteItem" "List functions"

XmListDeleteItem  deletes the first item in the list that matches item.  A warning message appears if the
       item does not exist.

       widget    Specifies the ID of the List from whose list an item is deleted.

       item      Specifies the text of the item to be deleted from the list.  If item appears more than once  in
                 the List, only the first occurrence is matched.

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

XmListDeleteItem — A List function that deletes an item from the list "XmListDeleteItem" "List functions"
       "XmListDeleteItem"

XmList(3).

                                                                                             XmListDeleteItem(3)

       #include <Xm/List.h>
       voidXmListDeleteItem(
       Widgetwidget,
       XmStringitem);