SharpOSC.OscPacket.getLong C# (CSharp) Méthode

        private static Int64 getLong(byte[] msg, int index)
        {
            byte[] var = new byte[8];
            var[7] = msg[index];
            var[6] = msg[index+1];
            var[5] = msg[index+2];
            var[4] = msg[index+3];
            var[3] = msg[index+4];
            var[2] = msg[index+5];
            var[1] = msg[index+6];
            var[0] = msg[index+7];

            Int64 val = BitConverter.ToInt64(var, 0);
            return val;
        }