private void button6_Click(object sender, EventArgs e) { List<WayPoint> miRuta = mapControl1.ruta; FlightPlanUSB fp = new FlightPlanUSB(); if (fp.IsOpen()) { int max = fp.ReadMaxWpts(); miRuta.Clear(); for (int i = 0; i < max && max < 0xff; i++) { miRuta.Add(fp.ReadWpt(i)); } mapControl1.Refresh(); fp.Close(); listBoxUpdate(); } }