protected static int GetDouble(byte[] Data, ref double Value, int Pos)
{
byte[] ValueData = new byte[sizeof(double)];
Array.Copy(Data, Pos, ValueData, 0, sizeof(double));
// flipping the Array .... Big Endian ..
ValueData = FlipArray(ValueData);
Value = BitConverter.ToDouble(ValueData, 0);
return Pos + sizeof(double);
}