Outputting images in ASP.NET: The hard way

gistfile1.cs

byte[] objImgData = ConvertImageToByteArray(new Bitmap(fileName), ImageFormat.Jpeg);
MemoryStream objMemoryStream = new MemoryStream();
objMemoryStream.Write(objImgData, 0, objImgData.Length);
Image objImage = Image.FromStream(objMemoryStream);
HttpContext.Current.Response.AddHeader("Content-Disposition", "filename=" + fileName);
HttpContext.Current.Response.ContentType = "image/Jpeg";
objImage.Save(HttpContext.Current.Response.OutputStream, ImageFormat.Jpeg);
...

private byte[] ConvertImageToByteArray(Image objImageToConvert, ImageFormat objFormatOfImage)
{
	byte[] objByteImage;

	using (MemoryStream objMemoryStream = new MemoryStream())
	{
		objImageToConvert.Save(objMemoryStream, objFormatOfImage);
		objByteImage = objMemoryStream.ToArray();
	}

	return objByteImage;
}