XmListGetSelectedPos - A List function that returns the
position of every selected item in the list
Boolean XmListGetSelectedPos (widget, position_list, position_count)
XmListGetSelectedPos is a Boolean function that returns an
array of the positions of the selected items in a List.
Specifies the ID of the List widget. Returns an array of
the positions of the selected items in the List. The position
of the first item in the list is 1; the position of
the second item is 2; and so on. When the return value is
TRUE, XmListGetSelectedPos allocates memory for this
array. The caller is responsible for freeing this memory.
Returns the number of elements in the position_list.
For a complete definition of List and its associated
resources, see XmList(3X).
Returns TRUE if the list has any selected items, and FALSE
if it does not.
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