protected override void paintPicByExcel(Microsoft.Office.Interop.Excel._Worksheet ws) { if (!string.IsNullOrEmpty(PicInfo.PicPath)) { Microsoft.Office.Interop.Excel.Pictures pics = (Microsoft.Office.Interop.Excel.Pictures)ws.Pictures(missing); Microsoft.Office.Interop.Excel.Picture pic = pics.Insert(picInfo.PicPath, missing); pic.Left = picInfo.PicLeft; pic.Top = picInfo.PicTop; pic.Width = picInfo.PicWidth; pic.Height = picInfo.PicHeight; } }