XmListYToPos - A List function that returns the position of the item at a specified y coordinate
#include <Xm/List.h> int XmListYToPos (widget, y) Widget widget; Position y;
XmListYToPos returns the position of the item at the given y coordinate within the list.
For a complete definition of List and its associated resources, see XmList(3X).
Returns the position of the item at the specified y coordinate. A value of 1 indicates the first item in the list; a value of 2 indicates the second item; and so on. A value of 0 indicates that no item exists at the specified y coordinate.