FastReport.NET报表打印多张图片

//打印图片，需要在BeforePrint事件内处理
detailBand.BeforePrint += new EventHandler(DetailBand_BeforePrint2);

        /// <summary>
        /// 图片处理(北方款)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DetailBand_BeforePrint2(object sender, EventArgs e)
        {
            //取出当前正在打印的记录(DataRow)。
            DataRow row = (sender as DataBand).DataSource.CurrentRow as DataRow;

            //当前Report实例
            var report = (sender as DataBand).Report;

            //设置工序,工序打勾
            ReportLib.ApplyProcessSettings(report, row);

            //获取纸盒图片
            var ListDetails = DataTableHelper.ConvertObject<res_PF_Process>(row);//强转获取从表
            if (ListDetails.Cartonisid != null)
            {
                //获取纸盒图片的PictureObject组件
                PictureObject pic = (sender as DataBand).Report.FindObject("Picture") as PictureObject;

                //取图片参数
                var input = new req_Images()
                {
                    DocType = ImageDocType.Carton.ToString(),
                    DocNo = ListDetails.Cartonisid,
                };

                //从dt_Images中获取对应的图片
                var ImgSmall = new bll_Images().GetByDocType(input);
                if (ImgSmall != null)
                {
                    Image img = ImageHelper.FromBytes(ImgSmall.ImgSmall);//将字节转换为图片                    
                    if (pic != null) pic.Image = new Bitmap(img); //注意：必须是Bitmap, Image不受支持！
                }
                else
                {
                    if (pic != null) pic.Image = null; 
                }
            }

            //获取唛头图片
            if (ListDetails.SOsisid != null)
            {
                //获取唛头图片的PictureObject组件
                PictureObject pic = (sender as DataBand).Report.FindObject("Picture1") as PictureObject;

                //从tb_AttachFile中获取对应的图片
                var listImgSmall = new bll_AttachFile().GetData("SO", ListDetails.SOsisid);
                if (listImgSmall.Count > 0)
                {
                    Image img = ImageHelper.FromBytes(listImgSmall.FirstOrDefault().FileBody);//将字节转换为图片                    
                    if (pic != null) pic.Image = new Bitmap(img); //注意：必须是Bitmap, Image不受支持！
                }
                else
                {
                    if (pic != null) pic.Image = null;
                }
            }
        }