Odświeżanie wybranej strony www

 Public Class Form1
    Dim timeCount As Integer = 10
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        timer.Enabled = True
    End Sub

    Private Sub timer_Tick(sender As Object, e As EventArgs) Handles timer.Tick
        Label1.Text = timeCount.ToString

        If timeCount = 0 Then
            timeCount = 10

            Dim MyBrowser As New WebBrowser
            'Dim MyString As String


            MyBrowser.Navigate("http://www.google.pl")
            MyBrowser.Refresh()
        Else
            timeCount -= 1
        End If
    End Sub
End Class

      If timeCount = 0 Then
            timeCount = 10