protected static void FillBackGround (iTextSharp.text.pdf.PdfContentByte contentByte,
IBaseStyleDecorator style,
iTextSharp.text.Rectangle rectangle)
{
contentByte.SetColorFill(style.PdfBackColor);
contentByte.Rectangle (rectangle.Left, rectangle.Top - rectangle.Height , rectangle.Width,rectangle.Height);
contentByte.Fill();
}