Insert image in excel using VS 2010

ExcelFile ef = new ExcelFile();
ExcelWorksheet ws = ef.Worksheets.Add("Images");
 
ws.Cells["A1"].Value = "Image example";
ws.Pictures.Add("Sample.jpg", PositioningMode.Move, new AnchorCell(ws.Columns["A"], ws.Rows[1], true));
 
ef.Save("Sample.xlsx");