method
DrawCallout
System.Web.UI.DataVisualization.Charting.SmartLabel.DrawCallout(System.Web.UI.DataVisualization.Charting.CommonElements, System.Web.UI.DataVisualization.Charting.ChartGraphics, System.Web.UI.DataVisualization.Charting.ChartArea, System.Web.UI.DataVisualization.Charting.SmartLabelStyle, System.Drawing.PointF, System.Drawing.SizeF, System.Drawing.StringFormat, System.Drawing.PointF, System.Drawing.SizeF, System.Web.UI.DataVisualization.Charting.LabelAlignmentStyles)