Making a basic graph in C#

protected void CalcDataGraphs()
{
    this.SuspendLayout();
    display.DataSources.Clear();
    display.SetDisplayRangeX(1, 500);
    for (int j = 0; j < NumGraphs; j++)
    {
        display.DataSources.Add(new DataSource());
        display.DataSources[j].Name = "Line Graph " + (j + 1);
        display.DataSources[j].OnRenderXAxisLabel += RenderXLabel;
        switch (CurExample)
        {
            case  "Basic":
                this.Text = "Basic Graph";
                display.DataSources[j].Length = 5000;
                display.PanelLayout = PlotterGraphPaneEx.LayoutMode.NORMAL;
                display.DataSources[j].AutoScaleY = false;
                display.DataSources[j].SetDisplayRangeY(-500, 500);
                display.DataSources[j].SetGridDistanceY(200);
                display.DataSources[j].OnRenderYAxisLabel = RenderYLabel;
                CalcSinusFunction_0(display.DataSources[j], j);
                break;
                 }
    }
    ApplyColorSchema();
    this.ResumeLayout();
    display.Refresh();
}