Use Arc to draw an elliptically curved line with the current Pen.
public override Void Arc(Int32 x1,
     Int32 y1,
     Int32 x2,
     Int32 y2,
     Single startAngle,
     Single sweepAngle)

See Also

Arc Overload List | Graphics3DPDF Class | Graphics3DPDF Members | Steema.TeeChart.Drawing Namespace