c#在创建新选项卡页时添加分组框

using System;
using System.Windows.Forms;

public class MainForm : Form
{
    private TabControl tabControl;

    public MainForm()
    {
        InitializeComponent();
    }

    private void InitializeComponent()
    {
        this.tabControl = new TabControl();
        this.tabPage1 = new TabPage();
        this.groupBox1 = new GroupBox();
        this.button1 = new Button();

        // 初始化TabControl
        this.tabControl.Location = new System.Drawing.Point(10, 10);
        this.tabControl.Size = new System.Drawing.Size(400, 300);
        this.tabControl.TabIndex = 0;

        // 初始化第一个选项卡页
        this.tabPage1.Text = "选项卡1";
        this.tabPage1.Controls.Add(this.groupBox1);

        // 初始化分组框
        this.groupBox1.Text = "分组框1";
        this.groupBox1.Location = new System.Drawing.Point(10, 10);
        this.groupBox1.Size = new System.Drawing.Size(350, 200);
        this.groupBox1.TabIndex = 0;

        // 初始化按钮
        this.button1.Text = "按钮1";
        this.button1.Location = new System.Drawing.Point(20, 30);
        this.button1.Click += new System.EventHandler(this.button1_Click);

        // 将按钮添加到分组框
        this.groupBox1.Controls.Add(this.button1);

        // 将选项卡页添加到TabControl
        this.tabControl.TabPages.Add(this.tabPage1);

        // 将TabControl添加到主窗体
        this.Controls.Add(this.tabControl);
    }

    private void button1_Click(object sender, EventArgs e)
    {
        MessageBox.Show("按钮被点击了！");
    }

    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new MainForm());
    }
}