private void Form1_Load(object sender, EventArgs e)
 {
  this.Text = "聊天窗口";
  button1.Text = "抖動(dòng)";
  button2.Text = "發(fā)送";
  this.AutoSizeMode = AutoSizeMode.GrowAndShrink;
  textBox1.ReadOnly = true;
  //獲取焦點(diǎn)在textBox2上面用來(lái)發(fā)送消息
  textBox2.TabIndex = 0;
  x = this.Left;
  y = this.Top;
  //設(shè)置窗口中某個(gè)按鈕可以同Enter鍵進(jìn)行控制效果
  this.AcceptButton = button2;
 }
 int x, y;
 int t=30, space = 3;
 
 private void Button1_Click(object sender, EventArgs e)
 {
  for (int i=0;i<2 ;i++ )
  {
  this.Location = new Point(x - space, y);
  Thread.Sleep(t);

  this.Location = new Point(x - space, y - space);
  Thread.Sleep(t);

  this.Location = new Point(x, y - space);
  Thread.Sleep(t);

  this.Location = new Point(x + space, y - space);
  Thread.Sleep(t);

  this.Location = new Point(x + space, y);
  Thread.Sleep(t);

  this.Location = new Point(x + space, y + space);
  Thread.Sleep(t);

  this.Location = new Point(x, y + space);
  Thread.Sleep(t);

  this.Location = new Point(x - space, y + space);
  Thread.Sleep(t);

  this.Location = new Point(x - space, y);
  Thread.Sleep(t);

  this.Location = new Point(x, y);
  }
   
 }

 

 private void Button2_Click(object sender, EventArgs e)
 {
  if (String.IsNullOrWhiteSpace(textBox2.Text)==false)
  {
  textBox1.Text += DateTime.Now + "\r\n" + textBox2.Text + "\r\n";
  textBox2.Text = "";
  }  
 }
 //resize窗口尺寸變動(dòng)
 private void Form1_Resize(object sender, EventArgs e)
 {
  //最小化到系統(tǒng)托盤
  if (this.WindowState==FormWindowState.Minimized)
  {
  this.ShowInTaskba=false;
  }  
 }
 //Close關(guān)閉窗口  
 private void NotifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
 {
  this.ShowInTaskba=true;
  this.WindowState=FormWindowState.Normal;
 }