using?System;
using?System.Collections;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?Modbus.Device;
using?System.Net.Sockets;
using?System.Threading;
using?System.IO.Ports;
using?System.Drawing.Text;
using?System.Windows.Forms.Visualstyles;
using?System.Timers;
using?System.CodeDom.Compiler;

namespace?ModbusRtuMaster
{
????public?partial?class?Form1?:?Form
????{
????????#region?參數配置
????????private?static?IModbusMaster?master;
????????private?static?SerialPort?port;
????????//寫線圈或寫寄存器數組
????????private?bool[]?coilsBuffer;
????????private?ushort[]?registerBuffer;
????????//功能碼
????????private?string?functionCode;
????????//功能碼序號
????????private?int?functionOder;
????????//參數（分別為從站地址起始地址長度）
????????private?byte?slaveAddress;
????????private?ushort?startAddress;
????????private?ushort?numberOfPoints;
????????//串口參數
????????private?string?portName;
????????private?int?baudRate;
????????private?Parity?parity;
????????private?int?dataBits;
????????private?StopBits?stopBits;
????????//自動測試標志位
????????private?bool?AutoFlag?=?false;
????????//獲取當前時間
????????private?System.DateTime?Current_time;

????????//定時器初始化
????????private?System.Timers.Timer?t?=?new?System.Timers.Timer（1000）;
????????
????????private?const?int?WM_DEVICE_CHANGE?=?0x219;????????????//設備改變???????????
????????private?const?int?DBT_DEVICEARRIVAL?=?0x8000;??????????//設備插入
????????private?const?int?DBT_DEVICE_REMOVE_COMPLETE?=?0x8004;?//設備移除

????????#endregion


????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????GetSerialLstTb1（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????//界面初始化
????????????cmb_portname.SelectedIndex?=?0;
????????????cmb_baud.SelectedIndex?=?5;
????????????cmb_parity.SelectedIndex?=?2;
????????????cmb_databBits.SelectedIndex?=?1;
????????????cmb_stopBits.SelectedIndex?=?0;

????????}

????????#region?定時器
????????//定時器初始化失能狀態
????????private?void?init_Timer（）
????????{
????????????t.Elapsed?+=?new?System.Timers.ElapsedEventHandler（Execute）;
????????????t.AutoReset?=?true;//設置false定時器執行一次，設置true定時器一直執行
????????????t.Enabled?=?false;//定時器使能true，失能false
????????????//t.Start（）;
????????}

????????private?void?Execute（object?sourceSystem.Timers.ElapsedEventArgs?e）
????????{
????????????//停止定時器后再打開定時器，避免重復打開
????????????t.Stop（）;
????????????//ExecuteFunction（）;可添加執行操作
????????????t.Start（）;
????????}
????????#endregion

????????#region?串口配置
????????///?

????????///?串口參數獲取
????????///?

????????///?
????????private?SerialPort?InitSerialPortParameter（）
????????{
????????????if?（cmb_portname.SelectedIndex?