private void Zoom(ZedGraphControl sender, ZoomState oldState, ZoomState newState)
        {
            sender.GraphPane.XAxis.CrossAuto = false;
            sender.GraphPane.YAxis.CrossAuto = false;

            if ((sender.GraphPane.XAxis.Scale.Max - sender.GraphPane.XAxis.Scale.Min) < 0.2)
            {
                sender.ZoomOut(sender.GraphPane);
            }
        }
        private void zedC_ZoomEvent(ZedGraphControl sender, ZoomState oldState, ZoomState newState)
        {
            sender.GraphPane.XAxis.CrossAuto = false;
            sender.GraphPane.YAxis.CrossAuto = false;

            if ((sender.GraphPane.XAxis.Scale.Max - sender.GraphPane.XAxis.Scale.Min) < 0.2)
            {
                sender.ZoomOut(sender.GraphPane);
            }
            if ((sender.GraphPane.XAxis.Scale.Min) < rl.InicioEjeX)
            {
                sender.GraphPane.XAxis.Scale.Min = rl.InicioEjeX;
            }
        }