xtrareport 报表的水印

public void SetTextWatermark(XtraReport report)
        {
            // Adjust text watermark settings.
            report.Watermark.Text = "内部资料请勿外泄";
            report.Watermark.TextDirection = DirectionMode.ForwardDiagonal;
            report.Watermark.Font = new Font(report.Watermark.Font.FontFamily, 40);
            report.Watermark.ForeColor = Color.DodgerBlue;
            report.Watermark.TextTransparency = 150;
            report.Watermark.ShowBehind = false;
           // report.Watermark.PageRange = "1,3-5";
        }
        public void SetPictureWatermark(XtraReport report)
        {
            // Adjust image watermark settings.
            report.Watermark.Image = Bitmap.FromFile("111.jpg");
            report.Watermark.ImageAlign = ContentAlignment.TopCenter;
            report.Watermark.ImageTiling = false;
            report.Watermark.ImageViewMode = ImageViewMode.Stretch;
            report.Watermark.ImageTransparency = 150;
            report.Watermark.ShowBehind = true;
           // report.Watermark.PageRange = "2,4";
        }