using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
namespace SMS.BaseClass
{
    class GSM
    {
        //初始化gsm modem,并連接gsm modem
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemInitNew",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern bool GSMModemInitNew(
            string device,
            string baudrate,
            string initstring,
            string charset,
            bool swHandshake,
            string sn);

        //獲取短信貓新的標識號碼
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemGetSnInfoNew",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern string GSMModemGetSnInfoNew(string device, string baudrate);

        //獲取當前通訊端口
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemGetDevice",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern string GSMModemGetDevice();

        //獲取當前通訊波特率
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemGetBaudrate",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern string GSMModemGetBaudrate();

        //斷開連接并釋放內存空間		
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemRelease",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern void GSMModemRelease();

        //取得錯誤信息	
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemGetErrorMsg",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern string GSMModemGetErrorMsg();

        //發送短信息
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemSMSsend",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern bool GSMModemSMSsend(
            string serviceCenterAddress,
            int encodeval,
            string text,
            int textlen,
            string phonenumber,
            bool requestStatusReport);

        //接收短信息返回字符串格式為:手機號碼|短信內容||手機號碼|短信內容||
        //RD_opt為１接收短信息后不做任何處理，０為接收后刪除信息
        [DllImport("dllforvc.dll",
             EntryPoint = "GSMModemSMSReadAll",
             CharSet = CharSet.Ansi,
             CallingConvention = CallingConvention.StdCall)]
        public static extern string GSMModemSMSReadAll(int RD_opt);
    }
}