FLhvsBoxSetValue — Sets the cursor position of a previously-declared FLhvsBox widget.
ihandle – an integer number used a univocally-defined handle for identifying a specific HVS box (see below).
kx, ky– the coordinates of the HVS cursor position to be set.
FLhvsBoxSetValue sets the cursor position of a previously-declared FLhvsBox widget. The kx and ky arguments, denoting the cursor position, have to be expressed in normalized values (0 to 1 range).
See the entry for hvs2 for an example of usage of FLhvsBoxSetValue.