#region CAN接受和傳送資料定義
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi, Pack = 1)]
        public struct PVCI_CAN_OBJ
        {
            public uint ID;
            public uint TimeStamp;
            public byte TimeFlag;
            public byte SendType;
            public byte RemoteFlag;
            public byte ExternFlag;
            public byte DataLen;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
            public byte[] data;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
            public byte[] Reserved;
        }
        #endregion

        #region 其他CAN函式資料定義
        public struct PVCI_ERR_INFO
        {
            public uint ErrCode;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
            public byte[] Passive_ErrData;
            public byte ArLost_ErrData;
        }

        public struct _VCI_BOARD_INFO
        {
            public ushort hw_Version;
            public ushort fw_Version;
            public ushort dr_Version;
            public ushort in_Version;
            public ushort irq_Num;
            public byte can_Num;

            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20)]
            public byte[] str_Serial_Num;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40)]
            public byte[] str_hw_Type;
            [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
            public ushort[] Reserved;
        }
        #endregion

        #region DLL連線
        //呼叫接受裝置動態連線庫
        [DllImport("ControlCAN.dll", EntryPoint = "VCI_Receive", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern uint VCI_Receive(int DevType, int DevIndex, int CANIndex, [Out] PVCI_CAN_OBJ[] pReceive, uint Len, int WaitTime);

        //呼叫報錯動態連線庫
        [DllImport("ControlCAN.dll", EntryPoint = "VCI_ReadErrInfo", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern int VCI_ReadErrInfo(int DevType, int DevIndex, int CANIndex,  PVCI_ERR_INFO pErrInfo);

        /*關閉裝置連線庫*/
        [DllImport("ControlCAN.dll", EntryPoint = "VCI_CloseDevice", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern bool VCI_CloseDevice(int DevType, int DevIndex);

        /*CAN啟動CAN連線庫*/
        [DllImport("ControlCAN.dll", EntryPoint = "VCI_StartCAN", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern int VCI_StartCAN(int DevType, int DevIndex, int CANIndex);

        /*CAN傳送連線庫*/
        [DllImport("ControlCAN.dll", EntryPoint = "VCI_Transmit", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern uint VCI_Transmit(int DevType, int DevIndex, int CANIndex, PVCI_CAN_OBJ[] pSend, uint Len);
        #endregion