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
ms = New IO.MemoryStream(by)
img = Drawing.Image.FromStream(ms)
以前没搞过image数据段,几行代码一个下午才搞定.

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