+
+ Moment mp = measure_position ();
+ bool start_of_measure = (last_moment_.main_part_ != now.main_part_&& !mp.main_part_ );
+
+ if (start_of_measure)
+ {
+ Moment mlen = Moment(measure_length ());
+ unsmob_grob (get_property ("currentCommandColumn"))->set_grob_property ("measure-length", mlen.smobbed_copy());
+ }