private DONGLE_INFO WriteData(byte[] datas)
        {
            DONGLE_INFO pDongleInfo;

            ushort pCount = 0;
            IntPtr pt     = RockeyArmHelper.EnumRockeyArm(out pCount);

            if (pCount > 1)
            {
                throw new Exception("加密锁不止一个!");
            }
            else if (pCount == 0)
            {
                throw new Exception("没有找到加密锁!");
            }
            else
            {
                pDongleInfo = (DONGLE_INFO)Marshal.PtrToStructure((IntPtr)(UInt32)pt, typeof(DONGLE_INFO));
                if (pDongleInfo.m_PID != CodyMasterPid)
                {
                    this.Init();
                }
            }

            uint hDongle = 0;

            RockeyArmHelper.OpenRockey(ref hDongle, 0);
            RockeyArmHelper.VerifyPIN(hDongle, CodyMasterPin);
            RockeyArmHelper.WriteData(hDongle, datas);

            RockeyArmHelper.CloseRockey(hDongle);
            return(pDongleInfo);
        }