Public Sub DrawEllipseA( _
   ByVal pen As Pen, _
   ByVal color As ColorA, _
   ByVal rect As RectangleA _
) 

Dim instance As ChartGraphics
Dim pen As Pen
Dim color As ColorA
Dim rect As RectangleA
 
instance.DrawEllipseA(pen, color, rect)

public void DrawEllipseA( 
   Pen pen,
   ColorA color,
   RectangleA rect
)