[C#] img --> byte[], byte[] --> img

img --> byte[]

public byte[] imageToByteArray(System.Drawing.Image imageIn)
{
　　MemoryStream ms = new MemoryStream();
　　imageIn.Save(ms,System.Drawing.Imaging.ImageFormat.Gif);
　　return  ms.ToArray();
}

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byte[] --> img

public Image ByteArrayToImage(byte[] bytes)
{
　　MemoryStream ms = new MemoryStream(bytes);
　　Image recImg = Image.FromStream(ms);
　　return recImg;
}