C#实现动态图标闪烁显示的示例代码

目录

• 实践过程
• 效果
• 代码

实践过程

效果

代码

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }
    private Thread td;
    private TcpListener tcpListener;
    string message="";
    private void Form1_Load(object sender, EventArgs e)
    {
        td = new Thread(new ThreadStart(this.StartListen));
        td.Start();
    }

    private void StartListen()
    {
        tcpListener = new TcpListener(888);
        tcpListener.Start();
        while (true)
        {
            TcpClient tclient = tcpListener.AcceptTcpClient();  //接受连接请求
            NetworkStream nstream = tclient.GetStream();        //获取数据流
            byte[] mbyte = new byte[1024];                      //建立缓存
            int i = nstream.Read(mbyte, 0, mbyte.Length);       //将数据流写入缓存
            message = Encoding.Default.GetString(mbyte, 0, i);
        }
    }

    private void Form1_FormClosed(object sender, FormClosedEventArgs e)
    {
        if (this.tcpListener != null)
        {
            tcpListener.Stop();
        }
        if (td != null)
        {
            if (td.ThreadState == ThreadState.Running)
            {
                td.Abort();
            }
        }
    }

    private void button1_Click(object sender, EventArgs e)
    {
        try
        {
            IPAddress[] ip = Dns.GetHostAddresses(Dns.GetHostName());
            string message ="你好兄弟";
            TcpClient client = new TcpClient(txtAdd.Text, 888);
            NetworkStream netstream = client.GetStream();
            StreamWriter wstream = new StreamWriter(netstream, Encoding.Default);
            wstream.Write(message);
            wstream.Flush();
            wstream.Close();
            client.Close();
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
    }

    bool k = true;
    private void timer1_Tick(object sender, EventArgs e)
    {
        if (message.Length > 0)
        {
            if (k)
            {
                notifyIcon1.Icon = Properties.Resources._1;
                k = false;
            }
            else
            {
                notifyIcon1.Icon = Properties.Resources._2;
                k = true;
            }
        }
    }

    private void button2_Click(object sender, EventArgs e)
    {
        message = "";
        notifyIcon1.Icon = Properties.Resources._3;
    }
}

partial class Form1
{
    /// 

    /// 必需的设计器变量。
    /// 
    private System.ComponentModel.IContainer components = null;

    /// 

    /// 清理所有正在使用的资源。
    /// 
    /// 如果应释放托管资源，为 true；否则为 false。
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows 窗体设计器生成的代码

    /// 

    /// 设计器支持所需的方法 - 不要
    /// 使用代码编辑器修改此方法的内容。
    /// 
    private void InitializeComponent()
    {
        this.components = new System.ComponentModel.Container();
        System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
        this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
        this.timer1 = new System.Windows.Forms.Timer(this.components);
        this.txtAdd = new System.Windows.Forms.TextBox();
        this.button1 = new System.Windows.Forms.Button();
        this.label1 = new System.Windows.Forms.Label();
        this.groupBox1 = new System.Windows.Forms.GroupBox();
        this.button2 = new System.Windows.Forms.Button();
        this.groupBox1.SuspendLayout();
        this.SuspendLayout();
        // 
        // notifyIcon1
        // 
        this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
        this.notifyIcon1.Visible = true;
        // 
        // timer1
        // 
        this.timer1.Enabled = true;
        this.timer1.Interval = 500;
        this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
        // 
        // txtAdd
        // 
        this.txtAdd.Location = new System.Drawing.Point(145, 36);
        this.txtAdd.Name = "txtAdd";
        this.txtAdd.Size = new System.Drawing.Size(193, 21);
        this.txtAdd.TabIndex = 0;
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(103, 96);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(75, 23);
        this.button1.TabIndex = 1;
        this.button1.Text = "发送消息";
        this.button1.UseVisualStyleBackColor = true;
        this.button1.Click += new System.EventHandler(this.button1_Click);
        // 
        // label1
        // 
        this.label1.AutoSize = true;
        this.label1.Location = new System.Drawing.Point(26, 39);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(113, 12);
        this.label1.TabIndex = 2;
        this.label1.Text = "输入对方主机地址：";
        // 
        // groupBox1
        // 
        this.groupBox1.Controls.Add(this.button2);
        this.groupBox1.Controls.Add(this.button1);
        this.groupBox1.Controls.Add(this.label1);
        this.groupBox1.Controls.Add(this.txtAdd);
        this.groupBox1.Location = new System.Drawing.Point(13, 13);
        this.groupBox1.Name = "groupBox1";
        this.groupBox1.Size = new System.Drawing.Size(353, 154);
        this.groupBox1.TabIndex = 3;
        this.groupBox1.TabStop = false;
        this.groupBox1.Text = "发送消息";
        // 
        // button2
        // 
        this.button2.Location = new System.Drawing.Point(184, 96);
        this.button2.Name = "button2";
        this.button2.Size = new System.Drawing.Size(75, 23);
        this.button2.TabIndex = 3;
        this.button2.Text = "停止闪动";
        this.button2.UseVisualStyleBackColor = true;
        this.button2.Click += new System.EventHandler(this.button2_Click);
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(380, 182);
        this.Controls.Add(this.groupBox1);
        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
        this.MaximizeBox = false;
        this.MinimizeBox = false;
        this.Name = "Form1";
        this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text = "动态托盘图标";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
        this.groupBox1.ResumeLayout(false);
        this.groupBox1.PerformLayout();
        this.ResumeLayout(false);

    }

    #endregion

    private System.Windows.Forms.NotifyIcon notifyIcon1;
    private System.Windows.Forms.Timer timer1;
    private System.Windows.Forms.TextBox txtAdd;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.Button button2;
}

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