C# 短信自收发 工具源码

using System.Runtime.InteropServices;namespace SMS.BaseClass{ internal class GSM { //初始化gsm modem,并连接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); //获取短信猫新的标识号码 [DllImport("dllforvc.dll", EntryPoint = "GSMModemGetSnInfoNew", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern string GSMModemGetSnInfoNew(string device, string baudrate); //获取当前通讯端口 [DllImport("dllforvc.dll", EntryPoint = "GSMModemGetDevice", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern string GSMModemGetDevice(); //获取当前通讯波特率 [DllImport("dllforvc.dll", EntryPoint = "GSMModemGetBaudrate", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern string GSMModemGetBaudrate(); //断开连接并释放内存空间 [DllImport("dllforvc.dll", EntryPoint = "GSMModemRelease", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern void GSMModemRelease(); //取得错误信息 [DllImport("dllforvc.dll", EntryPoint = "GSMModemGetErrorMsg", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern string GSMModemGetErrorMsg(); //发送短信息 [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为:手机号码|短信内容||手机号码|短信内容|| //RD_opt为１接收短信息后不做任何处理，０为接收后删除信息 [DllImport("dllforvc.dll", EntryPoint = "GSMModemSMSReadAll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)] public static extern string GSMModemSMSReadAll(int RD_opt); }}