image與byte數組的轉換

image與byte數組的轉換

image to byte[]

   MemoryStream ms=new MemoryStream();
   byte[] imagedata=null;
   pictureBox1.Image.Save(ms,System.Drawing.Imaging.ImageFormat.Gif );
   imagedata=ms.GetBuffer ();

byte[] to image
 
  MemoryStream ms = new System.IO.MemoryStream(byteName);
  Image img = Drawing.Image.FromStream(ms);