protected static int GetInt32(byte[] Data, ref Int32 Value, int Pos)
{
byte[] ValueData = new byte[sizeof(Int32)];
Array.Copy(Data, Pos, ValueData, 0, sizeof(Int32));
// flipping the Array .... Big Endian ..
ValueData = FlipArray(ValueData);
Value = BitConverter.ToInt32(ValueData, 0);
return Pos + sizeof(Int32);
}