public void addTemporarySeries()
{
//--then redraw it again...
addDottedSeries.Points.Clear();
addDottedSeries.ChartType = SeriesChartType.FastLine;
addDottedSeries.BorderDashStyle = ChartDashStyle.Dash;//--This gives the dashed style
addDottedSeries.Color = Color.Black;
addDottedSeries.BorderWidth = 3;
addDottedSeries.Points.AddXY(menuStripNodeInfoValues[indexOfPrevPointForLineMovement].xVal, menuStripNodeInfoValues[indexOfPrevPointForLineMovement].yVal);
addDottedSeries.Points.AddXY(currentXAxis, currentYAxis);
}