C#控制红外报警，每报警一次后，数分钟内禁止报警

[dyz7910980]

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
using System.Collections;
using System.Threading;


namespace 串口通信
{
    public partial class Form1 : Form
    {
        public bool isFirstTimeToStart = true;
        private int timeStamp = 50;
        public Form1()   
        {   
            InitializeComponent();   
        }
        /// <summary>
        /// 初始化串口属性
        /// </summary>
        public void InitializeSerialPort()
        {
            if (isFirstTimeToStart == true)
            {
                port.DataBits = 8;
                port.PortName = this.comboBox1.SelectedItem.ToString();
                port.BaudRate = 19200;
                port.DiscardNull = false;
                port.DtrEnable = false;
                port.Handshake = Handshake.None;
                port.Parity = Parity.None;
                port.ParityReplace = Convert.ToByte("63");
                port.RtsEnable = false;
                port.StopBits = StopBits.One;
                isFirstTimeToStart = false;
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void comboBox1_DropDown(object sender, EventArgs e)
        {
            ///加载计算机上所有的COM串口
            comboBox1.Items.Clear();
            string[] ports = SerialPort.GetPortNames();
            foreach (string p in ports)
            {
                comboBox1.Items.Add(p);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            InitializeSerialPort();
            port.Open();
            port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
        }

        void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            ArrayList array = new ArrayList();
            READAGAIN:
                while (port.BytesToRead > 0)
                {
                    array.Add((byte)port.ReadByte());
                }
                Thread.Sleep(timeStamp);
                if (port.BytesToRead > 0)
                {
                    goto READAGAIN;
                }
                InitializedListView2(array);
        }
        delegate void SetInfo(ArrayList infos);

        public void InitializedListView2(ArrayList arrayList)
        {
            try
            {
                if (this.label2.InvokeRequired)
                {
                    SetInfo ss = new SetInfo(InitializedListView2);
                    this.Invoke(ss, new object[] { arrayList });
                }
                else
                {
                    byte[] data = new byte[arrayList.Count + 1];
                    string str = "";
                    for (int i = 0; i < arrayList.Count; i++)
                    {
                        data[i] = (byte)(arrayList[i]);
                        string aa = data[i].ToString("X");
                        str += (data[i].ToString("X").Length == 2 ? data[i].ToString("X") : "0" + data[i].ToString("X")) + " ";
                    }
                    if (str.Trim().Equals("00 1E 98"))

                    {
                        label2.Text = "离开红外感应!";
                    }
                    else if (str.Trim().Equals("00 1E 9E"))
                    {
                        label2.Text = "进入红外感应!";
                        MessageBox.Show("警告");
                    }
                    else
                    {
                        label2.Text = "错误！";
                    }
                    textBox1.Text += str + "\r\n";
                }
            }
            catch (Exception)
            {
                throw;
            }
        }
        
        protected void DataReceived(string info)
        {
            //这里是要实现的功能，我只测试读出，并做简单的判断，如果你有想法，按自己的想法实现。
           // rtbSerialInfo.Text += (SignalToHexCode(info).ToUpper()) + "\r\n";
            switch (info)
            {
                case "00 1E 98":
                    label2.Text = "离开红外感应!";
                    break;
                case "00 1E 9E":
                    label2.Text = "进入红外感应!";
                    break;
                default:
                    label2.Text = "错误！";
                    break;
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.textBox1.Text = "";
        }

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                this.Show();
                this.WindowState = FormWindowState.Normal;
                this.Activate();
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Visible = false;
            }
        }

        private void notifyIcon1_MouseClick(object sender, MouseEventArgs e)
        {
            this.Visible = true;
            this.TopMost = true;
            this.WindowState = FormWindowState.Normal;
            this.Activate();
        }

        private void exitMenuItem_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("你确定要退出终端服务程序吗？", "确认", MessageBoxButtons.OKCancel,
            MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.OK)
            {
                notifyIcon1.Visible = false;
                this.Close();
                this.Dispose();
                Application.Exit();
            }
        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)  //关闭按钮事件
        {
            e.Cancel = true;
            this.Hide();
        }

        private void Form1_SizeChanged(object sender, EventArgs e)     //最小化事件按钮
        {
            this.Hide();
        }

        private void hideMenuItem_Click(object sender, EventArgs e)
        {
            this.Show();
            this.WindowState = FormWindowState.Normal;
            this.Activate();
        }

        private void showMenuItem_Click(object sender, EventArgs e)
        {
            this.Hide();
        }

        private void exitMenuItem_Click_1(object sender, EventArgs e)
        {
            if (MessageBox.Show("你确定要退出终端服务程序吗？", "确认", MessageBoxButtons.OKCancel,
                MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.OK)
            {
                notifyIcon1.Visible = false;
                this.Close();
                this.Dispose();
                Application.Exit();
            }      
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Thread.Sleep(60000);
            timer1.Stop();
        }

    }   
}

要代码，让这个程序没报警一次，过一分钟后才能再次报警。
要详细代码，

[threenewbee]

添加一个私有变量 DateTime LastDateTime; 在定时器的报警逻辑中写： if (new TimeSpan(DateTime.Now.Tick - LastDateTime.Tick).TotalMinutes > 多少分钟) { 报警 LastDateTime = DateTime.Now; }

[dyz7910980]

引用 1 楼 caozhy 的回复:

添加一个私有变量 DateTime LastDateTime; 在定时器的报警逻辑中写： if (new TimeSpan(DateTime.Now.Tick - LastDateTime.Tick).TotalMinutes > 多少分钟) { 报警 LastDateTime = DateTime.Now; }

不行。。。

[threenewbee]

引用 2 楼 dyz7910980 的回复:

[quote=引用 1 楼 caozhy 的回复:] 添加一个私有变量 DateTime LastDateTime; 在定时器的报警逻辑中写： if (new TimeSpan(DateTime.Now.Tick - LastDateTime.Tick).TotalMinutes > 多少分钟) { 报警 LastDateTime = DateTime.Now; }

不行。。。[/quote] 怎么不行。

[dyz7910980]

引用 3 楼 caozhy 的回复:

[quote=引用 2 楼 dyz7910980 的回复:]
[quote=引用 1 楼 caozhy 的回复:]
添加一个私有变量
DateTime LastDateTime;
在定时器的报警逻辑中写：
if (new TimeSpan(DateTime.Now.Tick - LastDateTime.Tick).TotalMinutes > 多少分钟)
{
报警
LastDateTime = DateTime.Now;
}

不行。。。[/quote]
怎么不行。[/quote]

[wg5945]

DateTime.Now.Ticks

[threenewbee]

引用 4 楼 dyz7910980 的回复:

[quote=引用 3 楼 caozhy 的回复:] [quote=引用 2 楼 dyz7910980 的回复:] [quote=引用 1 楼 caozhy 的回复:] 添加一个私有变量 DateTime LastDateTime; 在定时器的报警逻辑中写： if (new TimeSpan(DateTime.Now.Tick - LastDateTime.Tick).TotalMinutes > 多少分钟) { 报警 LastDateTime = DateTime.Now; }

不行。。。[/quote] 怎么不行。[/quote][/quote] 首先，给你的是思路 其次，你抄都抄错了

[dyz7910980]

还是在报警啊！。。。。

[dyz7910980]

引用 5 楼 wg5945 的回复:

DateTime.Now.Ticks

。。。。

[threenewbee]

引用 7 楼 dyz7910980 的回复:

还是在报警啊！。。。。

自己调试下。

[dyz7910980]

闹不了啊。。。

[飞小猪]

我跪了