11-硬件读写/视频采集卡读写/VideoMonitor/frmMain.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
//添加的命名空间
using VideoMonitor.CommonClass;
using System.IO.Ports;
using Microsoft.Win32;
using System.Threading;
using System.Runtime.InteropServices;
using System.IO;

namespace VideoMonitor
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        #region 定义公共变量，并实例化公共类对象
        PelcoD pelcod = new PelcoD();
        SoftReg softreg = new SoftReg();
        CommonClass.DataOperate dataoperate = new VideoMonitor.CommonClass.DataOperate();
        string strName = Application.StartupPath + "\\VideoSet.ini";//定义要读取的INI文件
        SerialPort serialPort = new SerialPort("COM1", 9600, Parity.None, 8);
        int m_dwDevNum = 0;
        byte addressin = Byte.Parse(Convert.ToString(0x01));
        byte speedin = Byte.Parse(Convert.ToString(0xff));
        byte[] messagesend;
        string strFrequency = "";                                //记录录像频率
        int intHour = 0;                                         //记录录像小时
        int intMin = 0;                                          //记录录像分钟
        string strWeek = "";                                     //记录录像星期
        string strDate = "";                                     //记录录像日期
        static DateTime dtLTime;
        static int intFlag = 0;
        #endregion

        //窗体加载时，初始化视频卡，并开始预览视频
        private void frmMain_Load(object sender, EventArgs e)
        {
            frmWelcome frmwelcome = new frmWelcome();
            frmwelcome.ShowDialog(); 
            dtLTime = DateTime.Now;
            timer1.Start();
            timer2.Start();
            setVideoBG("");
            plVideo1.BorderStyle = BorderStyle.Fixed3D;
            RegistryKey retkey = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("software", true).CreateSubKey("wxk").CreateSubKey("wxk.INI");
            foreach (string strRNum in retkey.GetSubKeyNames())//判断是否注册
            {
                if (strRNum == softreg.getRNum())
                {
                    this.Text = "视频监控模块（已注册）";
                    btnReg.Enabled = false;