text: public void FillOval(int x, int y, int width, int height){HSSFSimpleShape shape = escherGroup.CreateShape(new HSSFChildAnchor(x, y, x + width, y + height));shape.ShapeType = (HSSFSimpleShape.OBJECT_TYPE_OVAL);shape.LineStyle = LineStyle.None;shape.SetFillColor(foreground.R, foreground.G, foreground.B);shape.SetLineStyleColor(foreground.R, foreground.G, foreground.B);shape.IsNoFill = (false);}