Public Sub FillRectangleA( _
   ByVal brush As Brush, _
   ByVal color As ColorA, _
   ByVal secondColor As ColorA, _
   ByVal rect As RectangleA _
) 

Dim instance As ChartGraphics
Dim brush As Brush
Dim color As ColorA
Dim secondColor As ColorA
Dim rect As RectangleA
 
instance.FillRectangleA(brush, color, secondColor, rect)

public void FillRectangleA( 
   Brush brush,
   ColorA color,
   ColorA secondColor,
   RectangleA rect
)