checkbox 单选  CS   结构的 不用JS写
private void InitializeComponent()
         {
             this.groupBox1 = new System.Windows.Forms.GroupBox();
             this.groupBox2 = new System.Windows.Forms.GroupBox();
             this.checkBox1 = new System.Windows.Forms.CheckBox();
             this.checkBox2 = new System.Windows.Forms.CheckBox();
             this.checkBox3 = new System.Windows.Forms.CheckBox();
             this.checkBox4 = new System.Windows.Forms.CheckBox();
             this.checkBox5 = new System.Windows.Forms.CheckBox();
             this.checkBox6 = new System.Windows.Forms.CheckBox();
             this.button1 = new System.Windows.Forms.Button();
             this.groupBox1.SuspendLayout();
             this.groupBox2.SuspendLayout();
             this.SuspendLayout();
             //  
             // groupBox1
             //  
             this.groupBox1.Controls.Add(this.checkBox3);
             this.groupBox1.Controls.Add(this.checkBox2);
             this.groupBox1.Controls.Add(this.checkBox1);
             this.groupBox1.Location = new System.Drawing.Point(12, 12);
             this.groupBox1.Name = "groupBox1";
             this.groupBox1.Size = new System.Drawing.Size(342, 89);
             this.groupBox1.TabIndex = 0;
             this.groupBox1.TabStop = false;
             this.groupBox1.Text = "片头";
             //  
             // groupBox2
             //  
             this.groupBox2.Controls.Add(this.checkBox6);
             this.groupBox2.Controls.Add(this.checkBox5);
             this.groupBox2.Controls.Add(this.checkBox4);
             this.groupBox2.Location = new System.Drawing.Point(12, 107);
             this.groupBox2.Name = "groupBox2";
             this.groupBox2.Size = new System.Drawing.Size(342, 102);
             this.groupBox2.TabIndex = 1;
             this.groupBox2.TabStop = false;
             this.groupBox2.Text = "片尾";
             //  
             // checkBox1
             //  
             this.checkBox1.AutoSize = true;
             this.checkBox1.ForeColor = System.Drawing.Color.Fuchsia;
             this.checkBox1.Location = new System.Drawing.Point(38, 21);
             this.checkBox1.Name = "checkBox1";
             this.checkBox1.Size = new System.Drawing.Size(72, 16);
             this.checkBox1.TabIndex = 0;
             this.checkBox1.Text = "60秒彩条";
             this.checkBox1.UseVisualStyleBackColor = true;
             //  
             // checkBox2
             //  
             this.checkBox2.AutoSize = true;
             this.checkBox2.ForeColor = System.Drawing.SystemColors.ControlText;
             this.checkBox2.Location = new System.Drawing.Point(38, 43);
             this.checkBox2.Name = "checkBox2";
             this.checkBox2.Size = new System.Drawing.Size(72, 16);
             this.checkBox2.TabIndex = 1;
             this.checkBox2.Text = "30秒黑场";
             this.checkBox2.UseVisualStyleBackColor = true;
             //  
             // checkBox3
             //  
             this.checkBox3.AutoSize = true;
             this.checkBox3.Location = new System.Drawing.Point(38, 65);
             this.checkBox3.Name = "checkBox3";
             this.checkBo