C# Tabbed Web Browser

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 MyFreeTimeBrowserProject
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

    // This does have some problems

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            webBrowser1.GoBack();
        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            webBrowser1.GoForward();
        }

        private void toolStripButton3_Click(object sender, EventArgs e)
        {
            webBrowser1.Refresh();
        }

        private void toolStripButton4_Click(object sender, EventArgs e)
        {
            webBrowser1.Navigate("Http://google.com");
        }

        private void toolStripButton5_Click(object sender, EventArgs e)
        {
            webBrowser1.Stop();
        }

        private void toolStripButton6_Click(object sender, EventArgs e)
        {
            TabPage tb = new TabPage();
            WebBrowser wb = new WebBrowser();
            wb.Dock = DockStyle.Fill;
            wb.Navigate("www.google.com");

            tabControl1.TabPages.Add(tb);
            tb.Controls.Add(wb);
        }

        private void toolStripTextBox1_Click(object sender, EventArgs e)
        {

        }

        private void toolStripButton7_Click(object sender, EventArgs e)
        {
            webBrowser1.Navigate(toolStripTextBox1.Text);
        }

        private void toolStripButton8_Click(object sender, EventArgs e)
        {
            // Removes the selected tab:
            tabControl1.TabPages.Remove(tabControl1.SelectedTab);

        }

        private void toolStripButton9_Click(object sender, EventArgs e)
        {
            // Removes all the tabs:
            tabControl1.TabPages.Clear();
        }
    }
}