C#调用C++的DL报未知异常

多啦A孟 2012-07-05 11:09:58



//DLL中的函数声明

//app传入

//buffer 传出

ISO8583DLL_API int Pack_Ex (application*  app,unsigned char * buffer );



//机构体定义

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]

        internal struct Application_Ex

        {

            public static Application_Ex InitShuZu()

            {

                Application_Ex obj = new Application_Ex();

                obj.process_code = new byte[5];

                obj.trans_type = new byte[3];

                obj.park_id = new byte[PARK_ID_LENGTH + 1];

                obj.terminal_id = new byte[TERMINAL_ID_LENGTH + 1];

             //.............   

            //内容太多，没有贴完

            }

            //     package

   

            public byte[] source_tpdu ;         

            public byte[] target_tpdu ;        



            public byte itrans_type;        

            public byte[] trans_type ;    

             //.............   

            //内容太多，没有贴完

        }

//DLL函数导出

        [DllImport("ISO8583Dll.dll", EntryPoint = "Pack_Ex")]

        private static extern int Pack_Ex(Application_Ex app_ex, byte[] buff);



//函数调用

        unsafe public static void jgtdy()

        {

            Application_Ex m_txd = new Application_Ex();

            m_txd = Application_Ex.InitShuZu();

 

            try

            {

                //赋值

                m_txd.process_code[0] = (byte)'0';

                m_txd.process_code[1] = (byte)'0';

                m_txd.process_code[2] = (byte)'0';

                m_txd.process_code[3] = (byte)'6';



                m_txd.trans_type[0] = (byte)'8';

                m_txd.trans_type[1] = (byte)'1';

                //010101009001

                m_txd.park_id[0] = (byte)'0';

                m_txd.park_id[1] = (byte)'1';

                m_txd.park_id[2] = (byte)'0';

                m_txd.park_id[3] = (byte)'1';

                m_txd.park_id[4] = (byte)'0';

                m_txd.park_id[5] = (byte)'1';

                m_txd.park_id[6] = (byte)'0';

                m_txd.park_id[7] = (byte)'0';

                m_txd.park_id[8] = (byte)'9';

                m_txd.park_id[9] = (byte)'0';

                m_txd.park_id[10] = (byte)'0';

                m_txd.park_id[11] = (byte)'1';



                //02010001

                m_txd.terminal_id[0] = (byte)'0';

                m_txd.terminal_id[1] = (byte)'2';

                m_txd.terminal_id[2] = (byte)'0';

                m_txd.terminal_id[3] = (byte)'1';

                m_txd.terminal_id[4] = (byte)'0';

                m_txd.terminal_id[5] = (byte)'0';

                m_txd.terminal_id[6] = (byte)'0';

                m_txd.terminal_id[7] = (byte)'1';



                //20120420

                m_txd.trans_date[0] = (byte)'2';

                m_txd.trans_date[1] = (byte)'0';

                m_txd.trans_date[2] = (byte)'1';

                m_txd.trans_date[3] = (byte)'2';

                m_txd.trans_date[4] = (byte)'0';

                m_txd.trans_date[5] = (byte)'4';

                m_txd.trans_date[6] = (byte)'2';

                m_txd.trans_date[7] = (byte)'0';



                //005006

                m_txd.trans_time[0] = (byte)'0';

                m_txd.trans_time[1] = (byte)'0';

                m_txd.trans_time[2] = (byte)'5';

                m_txd.trans_time[3] = (byte)'0';

                m_txd.trans_time[4] = (byte)'0';

                m_txd.trans_time[5] = (byte)'6';

                //000100

                m_txd.lsh = 000100;



                m_txd.host_lsh = 000000000000;

                //000101

                m_txd.batch_no = 000101;



                m_txd.amount = 000000000000;



                //0033

                m_txd.para_ver = 0033;



                //2012040400

                m_txd.fee_id[0] = (byte)'2';

                m_txd.fee_id[1] = (byte)'0';

                m_txd.fee_id[2] = (byte)'1';

                m_txd.fee_id[3] = (byte)'2';

                m_txd.fee_id[4] = (byte)'0';

                m_txd.fee_id[5] = (byte)'4';

                m_txd.fee_id[6] = (byte)'0';

                m_txd.fee_id[7] = (byte)'4';

                m_txd.fee_id[8] = (byte)'4';

                m_txd.fee_id[9] = (byte)'0';

                m_txd.fee_id[10] = (byte)'0';



                m_txd.prog_ver = 0000;

                //01080001

                m_txd.oper_id[0] = (byte)'0';

                m_txd.oper_id[1] = (byte)'1';

                m_txd.oper_id[2] = (byte)'0';

                m_txd.oper_id[3] = (byte)'8';

                m_txd.oper_id[4] = (byte)'0';

                m_txd.oper_id[5] = (byte)'0';

                m_txd.oper_id[6] = (byte)'0';

                m_txd.oper_id[7] = (byte)'1';

                //0101

                m_txd.oper_pwd[0] = (byte)'0';

                m_txd.oper_pwd[1] = (byte)'1';

                m_txd.oper_pwd[2] = (byte)'0';

                m_txd.oper_pwd[3] = (byte)'1';



                //0001

                //m_txd.mac[0]=0x20;

                for (int i = 0; i < 8; i++)

                {

                    m_txd.mac[i] = 0x20;

                }

                m_txd.park_ver[0] = (byte)'0';

                m_txd.park_ver[1] = (byte)'0';

                m_txd.park_ver[2] = (byte)'0';

                m_txd.park_ver[3] = (byte)'1';

                //0102

                m_txd.oper_ver[0] = (byte)'0';

                m_txd.oper_ver[1] = (byte)'1';

                m_txd.oper_ver[2] = (byte)'0';

                m_txd.oper_ver[3] = (byte)'2';



                byte[] buf = new byte[100];

                int nlen = Pack_Ex(m_txd, buf);//执行到这里报异常NotSupportedException

            }

            catch (System.Exception ex)

            {

                string exstr = ex.Message;

            }



        }