[导入]这段时间都是搞那个华为的API

调用华为的DLL，我在网上找了一下都没有很理想的例子。这几天自己弄了一下。有了点结果。该DLL是C++写的。我用C#来调用成功了。下面是函数声明。

        [DllImport("SMEIDll.dll")]
        public extern static bool IFInitInterface(int dwCodeProtocol,int dwDriverProtocol,string pDriverParam);

        [DllImport("SMEIDll.dll")]
        public extern static bool IFExitInterface();

        [DllImport("SMEIDll.dll")]
        public extern static bool Login_R(string SystemID,  string Password);

        [DllImport("SMEIDLL.dll", CharSet=CharSet.Ansi)]
        protected static extern int SubmitAExEx(
            [MarshalAs(UnmanagedType.U1)] byte OrgTON, 
            [MarshalAs(UnmanagedType.U1)] byte OrgNPI, 
            [MarshalAs(UnmanagedType.LPStr)] string OrgAddr,
            [MarshalAs(UnmanagedType.U1)] byte DestTON, 
            [MarshalAs(UnmanagedType.U1)] byte DestNPI, 
            [MarshalAs(UnmanagedType.LPStr)] string DestAddr, 
            [MarshalAs(UnmanagedType.U1)] byte PRI,
            [MarshalAs(UnmanagedType.U1)] byte RD, 
            [MarshalAs(UnmanagedType.U1)] byte RP, 
            [MarshalAs(UnmanagedType.U1)] byte SRR, 
            [MarshalAs(UnmanagedType.U1)] byte MR, 
            [MarshalAs(UnmanagedType.U1)] byte DCS, 
            [MarshalAs(UnmanagedType.U1)] byte PID, 
            [MarshalAs(UnmanagedType.LPStr)] string Schedule, 
            [MarshalAs(UnmanagedType.LPStr)] string Expire, 
            [MarshalAs(UnmanagedType.U4)] uint Default_ID, 
            [MarshalAs(UnmanagedType.U1)] byte UDHI, 
            [MarshalAs(UnmanagedType.U4)] uint UDLen,
            [MarshalAs(UnmanagedType.LPStr)] string UserData,
            [MarshalAs(UnmanagedType.LPStr)] string ServiceSubType, 
            [MarshalAs(UnmanagedType.U1)] ref char byMsgID, 
            [MarshalAs(UnmanagedType.U1)] byte byPKTotal, 
            [MarshalAs(UnmanagedType.U1)] byte byPKNumber, 
            [MarshalAs(UnmanagedType.U1)] byte byMsglevel, 
            [MarshalAs(UnmanagedType.U1)] byte byFeeUserType,
            [MarshalAs(UnmanagedType.LPStr)] string sSPID, 
            [MarshalAs(UnmanagedType.LPStr)] string sFeeType, 
            [MarshalAs(UnmanagedType.LPStr)] string sFeeAddr, 
            [MarshalAs(UnmanagedType.LPStr)] string sFeeCode,
            [MarshalAs(UnmanagedType.U1)] byte byUserNum, 
            [MarshalAs(UnmanagedType.LPStr)] string sDestAddrs, 
            [MarshalAs(UnmanagedType.I4)] out UInt32 SM_ID, 
            [MarshalAs(UnmanagedType.U1)] out char FCS);


        [DllImport("SMEIDLL.dll", CharSet=CharSet.Ansi)]
        protected static extern int GetDeliverSMExExEx(
            out ulong sm_ID,
            [MarshalAs(UnmanagedType.U1)] out byte DestTON,
            [MarshalAs(UnmanagedType.U1)] out byte DestNPI,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder DestAddr,
            [MarshalAs(UnmanagedType.U1)] out byte OrgTON,
            [MarshalAs(UnmanagedType.U1)] out byte OrgNPI,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder OrgAddr,
            [MarshalAs(UnmanagedType.U1)] out byte PRI,
            [MarshalAs(UnmanagedType.U1)] out byte RP,
            [MarshalAs(UnmanagedType.U1)] out byte UDHI,
            [MarshalAs(UnmanagedType.U1)] out byte PID,
            [MarshalAs(UnmanagedType.U1)] out byte DCS,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder TimeStamp,
            out ulong UDLen,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder UserData,
            [MarshalAs(UnmanagedType.U1)] out byte StatusReport,
            [MarshalAs(UnmanagedType.U1)] out byte sMsgID,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder sSubmitdate,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder sDonedate,
            [MarshalAs(UnmanagedType.LPStr)] StringBuilder sStatus,
            int iDeliverAckResult);

文章来源:http://blog.csdn.net/boho/archive/2005/11/08/525022.aspx