Steema Central

Code: Select all

    public Form1()
    {
      InitializeComponent();
      InitializeChart();
    }

    private bool[] SeriesVisible;
    private void InitializeChart()
    {
      tChart1.Aspect.View3D = false;
      tChart1.Legend.CheckBoxes = true;

      const int numSeries = 10;
      SeriesVisible = new bool[numSeries];

      for (int i = 0; i < numSeries; i++)
      {
        tChart1.Series.Add(new Steema.TeeChart.Styles.Line()).FillSampleValues();
        SeriesVisible[i] = tChart1[i].Visible;
      }

      tChart1.AfterDraw += tChart1_AfterDraw;
    }

    void tChart1_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
    {
      for (int i = 0; i < tChart1.Series.Count; i++)
      {
        if (SeriesVisible[i] != tChart1[i].Visible)
        {
          MessageBox.Show(tChart1[i].ToString() + ".Visible is " + tChart1[i].Visible.ToString());
          SeriesVisible[i] = tChart1[i].Visible;
        }
      }
    }

Code: Select all

  public partial class Form1 : Form
  {
    private bool[] SeriesVisible;

    public Form1()
    {
      InitializeComponent();

      chart.Series[0].FillSampleValues();
      chart.Series[1].FillSampleValues();
      chart.Series[0].Tag = 1;
      chart.Series[1].Tag = 2;

      SeriesVisible = new bool[chart.Series.Count];

      for (int i = 0; i < chart.Series.Count; i++)
      {
        refreshTolerances(i);
        SeriesVisible[i] = chart[i].Visible;
      }

      chart.AfterDraw += chart_AfterDraw;
    }

    void chart_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
    {
      for (int i = 0; i < chart.Series.Count; i++)
      {
        if (SeriesVisible[i] != chart[i].Visible)
        {
          SeriesVisible[i] = chart[i].Visible;
          refreshTolerances(i);
        }
      }
    }

    private void button1_Click(object sender, EventArgs e)
    {
      for (int i = 0; i < chart.Series.Count; i++)
        refreshTolerances(i);
    }

    public void refreshTolerances(int numSerie)
    {
      if (chart.Series[numSerie].Visible)
      {
        Steema.TeeChart.Tools.ColorLine max = new Steema.TeeChart.Tools.ColorLine();
        max.Axis = chart.Axes.Left;
        max.Pen.Width = 2;
        max.Pen.Style = System.Drawing.Drawing2D.DashStyle.Dot;
        max.Value = chart.Series[numSerie].MaxYValue() * 0.9;
        max.Tag = chart.Series[numSerie].Tag;
        max.Pen.Color = chart.Series[numSerie].Color;
        max.AllowDrag = false;
        chart.Tools.Add(max);

        Steema.TeeChart.Tools.ColorLine min = new Steema.TeeChart.Tools.ColorLine();
        min.Axis = chart.Axes.Left;
        min.Pen.Width = 2;
        min.Pen.Style = System.Drawing.Drawing2D.DashStyle.Dot;
        min.Value = chart.Series[numSerie].MinYValue() * 1.1;
        min.Tag = chart.Series[numSerie].Tag;
        min.Pen.Color = chart.Series[numSerie].Color;
        min.AllowDrag = false;
        chart.Tools.Add(min);
      }
      else
      {
        // Remove lines of the serie
        for (int i = chart.Tools.Count - 1; i >= 0; i--)
        {
          if (chart.Tools[i].Tag == chart.Series[numSerie].Tag)
            chart.Tools.RemoveAt(i);
        }
      }

      chart.Refresh();
    }
  }