xmlistytopos(3)
NAME
XmListYToPos -- A List function that returns the position of the item
at a specified y-coordinate
SYNOPSIS
#include <Xm/List.h> int XmListYToPos( Widget widget, Position y);
DESCRIPTION
XmListYToPos returns the position of the item at the given y-coordinate
within the list.
widget Specifies the ID of the List widget
y Specifies the y-coordinate in the list's coordinate system
For a complete definition of List and its associated resources, see
XmList(3).
RETURN
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 (zero) indicates that no item
exists at the specified y coordinate.