private void fittedChart_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
{
int xpos;
xpos = fittedChart.Axes.Bottom.CalcXPosValue(ExtractBegin);
Rectangle r = fittedChart.Chart.ChartRect;
g.ClipRectangle(r);
g.Pen.Color = Color.Blue;
g.Pen.Width = 2;
g.Pen.Style = System.Drawing.Drawing2D.DashStyle.DashDot;
g.VerticalLine(xpos, r.Top, r.Bottom);
xpos = fittedChart.Axes.Bottom.CalcXPosValue(TestBegin);
g.VerticalLine(xpos, r.Top, r.Bottom);
g.UnClip();
}
