Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As _
      System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        WebBrowser1.Navigate(WebBrowser1.Url.ToString & "?action=logout")
        Do While Me.WebBrowser1.ReadyState <> WebBrowserReadyState.Complete
            MsgBox(WebBrowser1.ReadyState.ToString)
        Loop
    End Sub