using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;
using System.Net.Sockets;
using System.IO;
using System.Net;

namespace Socket
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.Label label2;
  private System.Windows.Forms.TextBox textBox1;
  private System.Windows.Forms.TextBox textBox2;
  //声明监听线程对象
  private Thread MyListenThread;
  //声明网络监听对象
  private TcpListener MyTcpListener;
  private System.Windows.Forms.RichTextBox richTextBox1;
  private System.Windows.Forms.RichTextBox richTextBox2;
  private System.Windows.Forms.Label label3;
  private System.Windows.Forms.Label label5;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.PictureBox pictureBox1;
  private System.Windows.Forms.OpenFileDialog openFileDialog1;
  private System.Windows.Forms.ContextMenu contextMenu1;
  private System.Windows.Forms.MenuItem menuItem1;
  private System.Windows.Forms.MenuItem menuItem2;
  private System.Windows.Forms.MenuItem menuItem3;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 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。
  /// </summary>
  private void InitializeComponent()
  {
   System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
   this.button1 = new System.Windows.Forms.Button();
   this.label1 = new System.Windows.Forms.Label();
   this.label2 = new System.Windows.Forms.Label();
   this.textBox1 = new System.Windows.Forms.TextBox();
   this.textBox2 = new System.Windows.Forms.TextBox();
   this.richTextBox1 = new System.Windows.Forms.RichTextBox();
   this.richTextBox2 = new System.Windows.Forms.RichTextBox();
   this.label3 = new System.Windows.Forms.Label();
   this.label5 = new System.Windows.Forms.Label();
   this.button2 = new System.Windows.Forms.Button();
   this.pictureBox1 = new System.Windows.Forms.PictureBox();
   this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
   this.contextMenu1 = new System.Windows.Forms.ContextMenu();
   this.menuItem1 = new System.Windows.Forms.MenuItem();
   this.menuItem2 = new System.Windows.Forms.MenuItem();
   this.menuItem3 = new System.Windows.Forms.MenuItem();
   this.SuspendLayout();
   //
   // button1
   //
   this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.button1.ForeColor = System.Drawing.SystemColors.Menu;
   this.button1.Location = new System.Drawing.Point(336, 432);
   this.button1.Name = "button1";
   this.button1.Size = new System.Drawing.Size(96, 32);
   this.button1.TabIndex = 0;
   this.button1.Text = "发送";
   this.button1.Click += new System.EventHandler(this.button1_Click);
   //
   // label1
   //
   this.label1.AutoSize = true;
   this.label1.ForeColor = System.Drawing.SystemColors.Menu;
   this.label1.Location = new System.Drawing.Point(88, 16);
   this.label1.Name = "label1";
   this.label1.Size = new System.Drawing.Size(66, 17);
   this.label1.TabIndex = 1;
   this.label1.Text = "远程主机名";
   this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
   //
   // label2
   //
   this.label2.AutoSize = true;
   this.label2.ForeColor = System.Drawing.SystemColors.Menu;
   this.label2.Location = new System.Drawing.Point(280, 16);
   this.label2.Name = "label2";
   this.label2.Size = new System.Drawing.Size(42, 17);
   this.label2.TabIndex = 2;
   this.label2.Text = "本机名";
   this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
   //
   // textBox1
   //
   this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
   this.textBox1.Location = new System.Drawing.Point(152, 16);
   this.textBox1.Name = "textBox1";
   this.textBox1.Size = new System.Drawing.Size(104, 21);
   this.textBox1.TabIndex = 3;
   this.textBox1.Text = "";
   //
   // textBox2
   //
   this.textBox2.Anchor = System.Windows.Forms.AnchorStyles.None;
   this.textBox2.BackColor = System.Drawing.SystemColors.Desktop;
   this.textBox2.BorderStyle = System.Windows.Forms.BorderStyle.None;
   this.textBox2.Font = new System.Drawing.Font("Times New Roman", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
   this.textBox2.ForeColor = System.Drawing.SystemColors.Menu;
   this.textBox2.Location = new System.Drawing.Point(325, 16);
   this.textBox2.Name = "textBox2";
   this.textBox2.Size = new System.Drawing.Size(104, 19);
   this.textBox2.TabIndex = 4;
   this.textBox2.Text = "";
   this.textBox2.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
   //
   // richTextBox1
   //
   this.richTextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
   this.richTextBox1.ContextMenu = this.contextMenu1;
   this.richTextBox1.Location = new System.Drawing.Point(8, 368);
   this.richTextBox1.Name = "richTextBox1";
   this.richTextBox1.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedVertical;
   this.richTextBox1.Size = new System.Drawing.Size(312, 96);
   this.richTextBox1.TabIndex = 5;
   this.richTextBox1.Text = "";
   this.richTextBox1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.richTextBox1_KeyDown);
   this.richTextBox1.KeyUp += new System.Windows.Forms.KeyEventHandler(this.richTextBox1_KeyUp);
   //
   // richTextBox2
   //
   this.richTextBox2.BackColor = System.Drawing.SystemColors.InactiveCaptionText;
   this.richTextBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
   this.richTextBox2.Location = new System.Drawing.Point(8, 48);
   this.richTextBox2.Name = "richTextBox2";
   this.richTextBox2.Size = new System.Drawing.Size(312, 280);
   this.richTextBox2.TabIndex = 6;
   this.richTextBox2.Text = "";
   //
   // label3
   //
   this.label3.ForeColor = System.Drawing.SystemColors.Menu;
   this.label3.Location = new System.Drawing.Point(8, 336);
   this.label3.Name = "label3";
   this.label3.Size = new System.Drawing.Size(96, 24);
   this.label3.TabIndex = 8;
   this.label3.Text = "将要发送的内容";
   this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
   //
   // label5
   //
   this.label5.AllowDrop = true;
   this.label5.AutoSize = true;
   this.label5.ForeColor = System.Drawing.SystemColors.Menu;
   this.label5.Location = new System.Drawing.Point(8, 16);
   this.label5.Name = "label5";
   this.label5.Size = new System.Drawing.Size(42, 17);
   this.label5.TabIndex = 10;
   this.label5.Text = "收发：";
   this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
   //
   // button2
   //
   this.button2.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
   this.button2.ForeColor = System.Drawing.SystemColors.Menu;
   this.button2.Location = new System.Drawing.Point(256, 336);
   this.button2.Name = "button2";
   this.button2.Size = new System.Drawing.Size(64, 24);
   this.button2.TabIndex = 11;
   this.button2.Text = "浏览图片";
   this.button2.Visible = false;
   this.button2.Click += new System.EventHandler(this.button2_Click);
   //
   // pictureBox1
   //
   this.pictureBox1.BackColor = System.Drawing.SystemColors.Control;
   this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
   this.pictureBox1.Location = new System.Drawing.Point(323, 48);
   this.pictureBox1.Name = "pictureBox1";
   this.pictureBox1.Size = new System.Drawing.Size(125, 152);
   this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
   this.pictureBox1.TabIndex = 12;
   this.pictureBox1.TabStop = false;
   this.pictureBox1.Click += new System.EventHandler(this.pictureBox1_Click);
   this.pictureBox1.DoubleClick += new System.EventHandler(this.pictureBox1_DoubleClick);
   this.pictureBox1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pictureBox1_MouseDown);
   //
   // openFileDialog1
   //
   this.openFileDialog1.Filter = "All file(*.*)|*.*";
   //
   // contextMenu1
   //
   this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
                       this.menuItem1,
                       this.menuItem2,
                       this.menuItem3});
   //
   // menuItem1
   //
   this.menuItem1.Index = 0;
   this.menuItem1.Text = "复制(&C)";
   this.menuItem1.Click += new System.EventHandler(this.menuItem1_Click);
   //
   // menuItem2
   //
   this.menuItem2.Index = 1;
   this.menuItem2.Text = "粘贴(&P)";
   this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
   //
   // menuItem3
   //
   this.menuItem3.Index = 2;
   this.menuItem3.Text = "剪切(&T)";
   this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.BackColor = System.Drawing.SystemColors.Desktop;
   this.ClientSize = new System.Drawing.Size(450, 470);
   this.Controls.Add(this.pictureBox1);
   this.Controls.Add(this.button2);
   this.Controls.Add(this.label5);
   this.Controls.Add(this.label3);
   this.Controls.Add(this.richTextBox2);
   this.Controls.Add(this.richTextBox1);
   this.Controls.Add(this.textBox2);
   this.Controls.Add(this.textBox1);
   this.Controls.Add(this.label2);
   this.Controls.Add(this.label1);
   this.Controls.Add(this.button1);
   this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
   this.KeyPreview = true;
   this.MaximizeBox = false;
   this.Name = "Form1";
   this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
   this.Text = "QQ-ZGG";
   this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
   this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Form1_KeyPress);
   this.Load += new System.EventHandler(this.Form1_Load);
   this.Closed += new System.EventHandler(this.Form1_Closed);
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 应用程序的主入口点。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void button1_Click(object sender, System.EventArgs e)
  {
   try
   {
    System.Net.IPHostEntry ss = Dns.GetHostByAddress(textBox1.Text);
    label5.Text = ss.HostName.ToString();
   }
   catch(Exception er){
    MessageBox.Show("没有找到该主机名！");
   }
   if(textBox1.Text.Length < 1 || textBox2.Text.Length < 1 || richTextBox1.Text.Trim().Length < 1){
    return;
   }
   try{
 
//    richTextBox1.Text = richTextBox1.Text.Substring(0,richTextBox1.TextLength - "\n".Length);
    string MyMessage = textBox2.Text + ":" + richTextBox1.Text + "\n";
    //根据目标计算机地址建立连接
    TcpClient MyTcpClient = new TcpClient(textBox1.Text,888);

//    System.Net.Sockets.UdpClient MyUdpClient = new UdpClient(textBox1.Text,888);
    //获得用网络访问数据流
    NetworkStream MyTcpStream = MyTcpClient.GetStream();
    StreamWriter MyStream = new StreamWriter(MyTcpStream);
    //将字符串写入流
    MyStream.Write(MyMessage);
    //将缓冲数据写入基础流
    MyStream.Flush();
    //关闭网络流
    MyStream.Close();
    MyTcpClient.Close();
    richTextBox2.ReadOnly = false;
    richTextBox2.AppendText(textBox2.Text + ":"  + "\n" + richTextBox1.Text + "\n");
    richTextBox2.ReadOnly = true;
    richTextBox1.Clear();
    richTextBox1.Focus(); // 得到焦点
    
   }
   catch(Exception err){
    MessageBox.Show(err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
   }
  }
  private void Key_Click(){
   if(textBox1.Text.Length < 1 || textBox2.Text.Length < 1 || richTextBox1.Text.Trim().Length < 1)
   {
    return;
   }
   try
   {

    richTextBox1.Text = richTextBox1.Text.Substring(0,richTextBox1.TextLength - "\n".Length);
    string MyMessage = textBox2.Text + ":" + richTextBox1.Text + "\n";
    //根据目标计算机地址建立连接
    TcpClient MyTcpClient = new TcpClient(textBox1.Text,888);

    //    System.Net.Sockets.UdpClient MyUdpClient = new UdpClient(textBox1.Text,888);
    //获得用网络访问数据流
    NetworkStream MyTcpStream = MyTcpClient.GetStream();
    StreamWriter MyStream = new StreamWriter(MyTcpStream);
    //将字符串写入流
    MyStream.Write(MyMessage);
    //将缓冲数据写入基础流
    MyStream.Flush();
    //关闭网络流
    MyStream.Close();
    MyTcpClient.Close();
    richTextBox2.ReadOnly = false;
    richTextBox2.AppendText(textBox2.Text + ":"  + "\n" + richTextBox1.Text + "\n");
    richTextBox2.ReadOnly = true;
    richTextBox1.Clear();
    richTextBox1.Focus(); // 得到焦点
    
   }
   catch(Exception err)
   {
    MessageBox.Show(err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
   }
  }

  private void StartListen(){
   try
   {
    MyTcpListener = new TcpListener(888);

    //开始监听
    MyTcpListener.Start();
    while(true)
    {
     //获取TcpClient
     TcpClient MyTcpClient = MyTcpListener.AcceptTcpClient();
 //    Socket s = MyTcpListener.AcceptSocket();
     NetworkStream MyStream = MyTcpClient.GetStream();
     Byte[] MyBytes = new Byte[1024];
     int MyByteRead = MyStream.Read(MyBytes,0,MyBytes.Length);
     string MyMessage = System.Text.Encoding.UTF8.GetString(MyBytes,0,MyByteRead);
     textBox1.Text = MyMessage.Substring(0,MyMessage.LastIndexOf(":"));
     this.Text = "QQ-ZGG:" + "来自" + textBox1.Text + "的呼叫！";
     richTextBox2.ReadOnly = false;
     richTextBox2.Text += MyMessage;
     richTextBox2.ReadOnly = true;
　　　　　　　　　　　
　　　　　　 }
   }
   catch(Exception err){
    Console.WriteLine(err.Message);
   }

    
  }

  private void Form1_Load(object sender, System.EventArgs e)
  {
   //开始监听
   //创建监听线程
   
   string LocalHost = Dns.GetHostName();
   
   textBox2.Text = LocalHost;
   textBox2.ReadOnly = true;
   MyListenThread = new Thread(new ThreadStart(StartListen));
   //启动线程
   MyListenThread.Start();

  }

  private void Form1_Closed(object sender, System.EventArgs e)
  {
   try
   {
    if(MyTcpListener!=null){
     //关闭监听器
     MyTcpListener.Stop();
    }
    if(MyListenThread != null){
     if(MyListenThread.ThreadState == ThreadState.Running)
     {
      MyListenThread.Abort();
     }
    }
   }
   catch(Exception err){
    MessageBox.Show(err.Message,"信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
   }
  }

  private void Form1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
  {
   
  }

  private void richTextBox1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
  {//使用快捷组合键
   
  }

  private void button2_Click(object sender, System.EventArgs e)
  {
    if(openFileDialog1.ShowDialog() == DialogResult.OK)
     pictureBox1.Image = System.Drawing.Bitmap.FromFile(openFileDialog1.FileName);
  }

  private void richTextBox1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
  {
   if(e.Control == true)
   { 
    switch (e.KeyCode)
    {
      
     case Keys.Enter:
//      richTextBox1.Text = richTextBox1.Text + "\n";
      Key_Click();
      
      break;
     default: break;
    }
    
   }
  }

  private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
  {
   
  }

  private void pictureBox1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
  {
   
  }

  private void pictureBox1_Click(object sender, System.EventArgs e)
  {
   
  }

  private void pictureBox1_DoubleClick(object sender, System.EventArgs e)
  {
//   if(button2.Visible == false)
//    button2.Visible = true;
//   else
//    button2.Visible = false;
   button2_Click(sender,e);
  }

  private void menuItem1_Click(object sender, System.EventArgs e)
  {
   //copy
   richTextBox1.Copy();
  }

  private void menuItem3_Click(object sender, System.EventArgs e)
  {
   richTextBox1.Cut();
  }

  private void menuItem2_Click(object sender, System.EventArgs e)
  {
   richTextBox1.Paste();
  }

 }
}