luego en mi caso al diseño del form le agrego un Textbox, un Timer, un Label y 5 botones tal como se muestra
en las propiedades del form1 modificamos estas partes
y para el control Webbrowser se modifica en las propiedades lo siguiente
y ahora el código para el Form1 en Visual basic
Public
Class Form1
   Private
Sub Bir_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Bir.Click
        If
TextBox1.Text.Trim() <> String.Empty Then
            If Not TextBox1.Text.Trim().ToLower().StartsWith("http://") Then
                TextBox1.Text = "http://" & TextBox1.Text.Trim()
            End
If
        End If
        WebBrowser1.Navigate(TextBox1.Text)
    End Sub
    Private Sub Batras_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Batras.Click
        WebBrowser1.GoBack()
    End Sub
    Private Sub Badelante_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Badelante.Click
        WebBrowser1.GoForward()
    End Sub
    Private Sub Bactualizar_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Bactualizar.Click
        WebBrowser1.Refresh()
    End Sub
    Private Sub Bdetener_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Bdetener.Click
        WebBrowser1.Stop()
    End Sub
    Private Sub Binicio_Click(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Binicio.Click
        WebBrowser1.Navigate("www.pabletoreto.blogspot.com")
    End Sub
    Private Sub WebBrowser1_DocumentCompleted(ByVal sender As
System.Object, ByVal
e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted
        TextBox1.Text =
WebBrowser1.Url.AbsoluteUri
    End Sub
    Private Sub Form1_Load(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
MyBase.Load
        Timer1.Start()
    End Sub
    Private Sub Timer1_Tick(ByVal
sender As System.Object,
ByVal e As
System.EventArgs) Handles
Timer1.Tick
        Label1.Text = WebBrowser1.StatusText
    End Sub
    Private Sub TextBox1_KeyPress(ByVal
sender As Object,
ByVal e As
System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
        If
e.KeyChar = ChrW(Keys.Enter) Then
            e.Handled = True
            WebBrowser1.Navigate(TextBox1.Text)
        End If
    End Sub
End
Class
y para C# este sería el código
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();
        }
        private
void bir_Click(object
sender, EventArgs e)
        {
            webBrowser1.Navigate(textBox1.Text);
        }
        private
void batras_Click(object
sender, EventArgs e)
        {
            webBrowser1.GoBack();
        }
        private
void badelante_Click(object
sender, EventArgs e)
        {
            webBrowser1.GoForward();
        }
        private
void bactualizar_Click(object
sender, EventArgs e)
        {
            webBrowser1.Refresh();
        }
        private
void Detener_Click(object
sender, EventArgs e)
        {
            webBrowser1.Stop();
        }
        private
void binicio_Click(object
sender, EventArgs e)
        {
            webBrowser1.Navigate("www.pabletoreto.blogspot.com");
        }
        private
void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs
e)
        {
            textBox1.Text =
webBrowser1.Url.AbsoluteUri;
        }
        private
void Form1_Load(object
sender, EventArgs e)
        {
           
timer1.Start();
        }
        private
void timer1_Tick(object
sender, EventArgs e)
        {
            label1.Text =
webBrowser1.StatusText;
        }
            private
void textBox1_KeyPress(object
sender, KeyPressEventArgs e)
        {
            if
(e.KeyChar == (char)(Keys.Enter))
       {
           e.Handled = true;
               
webBrowser1.Navigate(textBox1.Text);
            }
        }
    }
}




