public void RenewChart() { if (ChartCache != null) { BottomAxis.ClearAxis(); int n = ChartCache.AbsoluteCount; if (n > 0) { List <double> p = ChartCache.AbsoluteGetAt(n - 1); if (p != null && p.Count > 0) { double v = p[0] / 1000.0; BottomAxis.AbsoluteMaximum = v; } } RefreshChart(n); } }