private void rdoGiveTicket_CheckedChanged(object sender, EventArgs e)
 {
 if (this.treeView1.SelectedNode == null) return;
 this.lblOriginalPrice.Text = "0";
 this.cboDiscount.Enabled = false;
 this.txtGiver.Enabled = true;
 }

private void rdoStuTicket_CheckedChanged(object sender, EventArgs e)
 {
 if (this.treeView1.SelectedNode == null) return;
 this.cboDiscount.Enabled = true;
 this.txtGiver.Enabled = false;
 }

 private void rdoNormal_CheckedChanged(object sender, EventArgs e)
 {
 this.cboDiscount.Enabled = false;
 this.txtGiver.Enabled = false;
 if (!GetKey()) return;
 //更新原價，因為點(diǎn)擊贈票時價格為0了
 this.lblOriginalPrice.Text = cinema.Schedule.Items[key].Movie.Price.ToString();
 }

private void ClearContent()
 {
 //點(diǎn)擊時間（場次）時切換回普通票 并清空可能殘留的信息
 txtGiver.Text = "";
 cboDiscount.Text = "";
 }

 public bool GetKey()
 {
 //選中節(jié)點(diǎn)
 TreeNode node = this.treeView1.SelectedNode;
 //如果沒有選擇節(jié)點(diǎn)=》結(jié)束
 if (node == null) return false;
 //如果選中節(jié)點(diǎn)不是場次（時間）=》結(jié)束
 if (node.Level != 1) return false;
 //獲取時間作為key
 key = node.Text;
 if (key != "" && key != null) return true;
 return false;
 }

 private void InitTreeView()
 {
 this.treeView1.Nodes.Clear();
 string movieName = "";
 TreeNode tn = null;
 foreach (ScheduleItem item in cinema.Schedule.Items.Values)
 {
  //如果不存在此電影節(jié)點(diǎn)，創(chuàng)建電影節(jié)點(diǎn)
  if (item.Movie.MovieName != movieName)
  {
  tn = new TreeNode(item.Movie.MovieName);
  tn.Tag = item.Movie;
  this.treeView1.Nodes.Add(tn);
  }
  //增加場次時間節(jié)點(diǎn)
  TreeNode time = new TreeNode(item.Time);
  tn.Nodes.Add(time);
  //獲取當(dāng)前場次的電影名字，重新遍歷
  movieName = item.Movie.MovieName;
 }
 //展開所有的節(jié)點(diǎn)
 this.treeView1.ExpandAll();
 }

 private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
 {
 //清空殘留信息
 ClearContent();
 rdoNormal.Checked = true;
 //獲取key
 if (!GetKey()) return;
 lblName.Text = cinema.Schedule.Items[key].Movie.MovieName;
 lblDate.Text = key;
 lblType.Text = cinema.Schedule.Items[key].Movie.MovieType.ToString();
 lblOriginalPrice.Text = cinema.Schedule.Items[key].Movie.Price.ToString();
 lblMainAct.Text = cinema.Schedule.Items[key].Movie.Actor;
 lblDirect.Text = cinema.Schedule.Items[key].Movie.Director;
 this.pictureBox1.Image = Image.FromFile(cinema.Schedule.Items[key].Movie.Poster);
 this.lblPreferentialPrice.Text = "";
 }

private void InitialSeat()
 {
 int seatRow = 7;
 int seatLine = 5;
 for (int i = 0; i < seatRow; i++)//列
 {
  for (int j = 0; j < seatLine; j++)//行
  {
  label = new Label();
  //設(shè)置背景顏色
  label.BackColor = Color.Yellow;
  //設(shè)置字體 字體，大小，指定應(yīng)用到文本的字形信息為普通文本，指定給定數(shù)據(jù)的度量單位，新字體的GDI字符集
  label.Font = new System.Drawing.Font("宋體", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
  //取消自動尺寸方便我們設(shè)置尺寸
  label.AutoSize = false;
  //指定label的寬和高
  label.Size = new System.Drawing.Size(50, 25);
  //設(shè)置座位號
  label.Text = (j + 1).ToString() + "-" + (i + 1).ToString();
  label.TextAlign = ContentAlignment.MiddleCenter;
  //設(shè)置位置
  label.Location = new Point(60 + (i * 100), 60 + (j * 60));
  //所有的標(biāo)簽綁定到同一事件，lblSeat_Click是我們手動寫的事件
  label.Click += new System.EventHandler(lblSeat_Click);
  //tb是TabPage
  tb.Controls.Add(label);
  //加入到全局的labels集合中
  labels.Add(label.Text, label);
  //實(shí)例化一個座位Seat構(gòu)造函數(shù)的參數(shù)為座位號及顏色
  seat = new Seat((j + 1).ToString() + "-" + (i + 1).ToString(), Color.Yellow);
  cinema.Seats.Add(seat.SeatNum, seat);
  }
 }