protected static int GetUInt16(byte[] Data, ref UInt16 Value, int Pos)
{
byte[] ValueData = new byte[sizeof(UInt16)];
Array.Copy(Data, Pos, ValueData, 0, sizeof(UInt16));
// flipping the Array .... Big Endian ..
ValueData = FlipArray(ValueData);
Value = BitConverter.ToUInt16(ValueData, 0);
return Pos + sizeof(UInt16);
}