Xmlistytopos a list function that returns the position of the item at a specified y-coordinate "xmlistytopos" "list functions" "xmlistytopos"
#include <Xm/List.h> int XmListYToPos( Widget widget, Position y);
XmListYToPos returns the position of the item at the given y-coordinate within the list.
Specifies the ID of the List widget
Specifies the y-coordinate in the list's coordinate system
For a complete definition of List and its associated resources, see XmList(3).
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.