private void plot_xcounts_vs_time(MouseLog mlog, double delay, GraphComponents main_comp, GraphComponents sec_comp) { for (int i = last_start; i <= last_end; i++) { if (events[i].hDevice != mlog.hDevice) continue; double x = events[i].ts + delay; double y = events[i].lastx; update_minmax(x, y); main_comp.Add(x, y); } }