convert image byte format

private static byte[] ConvertImageToByteArray(System.Drawing.Image imageToConvert,
ImageFormat formatOfImage)
{
byte[] Ret;

try
{

using (MemoryStream ms = new MemoryStream())
{
imageToConvert.Save(ms,formatOfImage);
Ret = ms.ToArray();
}
}
catch (Exception) { throw;}

return Ret;
}

System.Drawing.Image newImage;


using (MemoryStream ms = new MemoryStream(myByteArray,0,myByteArray.Length))
{

ms.Write(myByteArray,0,myByteArray.Length);

newImage = Image.FromStream(ms,true);

// work with image here.

// You'll need to keep the MemoryStream open for
// as long as you want to work with your new image.

}