using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        TabControl tb;
        private void Form1_Load(object sender, EventArgs e)
        {
            tb = new TabControl();
            tb.Dock = DockStyle.Fill;
            this.Controls.Add(tb);

            TabPage tp1 = new TabPage();
            tb.Controls.Add(tp1);

            WebBrowser wb1 = new WebBrowser();
            wb1.Dock = DockStyle.Fill;
            tp1.Controls.Add(wb1);
            //                             TabPage     WebBrowser
            WebBrowser wb = (WebBrowser)tb.Controls[0].Controls[0];

            wb.Navigate("http://g...content-available-to-author-only...o.jp");
        }
    }
}