Imports System.IO
 
 
Class MainWindow
    Private Sub btn2_Click(ByVal sender As System.Object, ByVal e As _
      System.EventArgs) Handles button2.Click
        WebBrowser1.Navigate("C:\Users\steff\Desktop\Webseite\test.htm")
        Dim ImageInhalt As String
 
        label1 = WebBrowser1.Document.GetElementById("mytext").GetAttribute( _
          "value")
 
        'ImageInhalt = WebBrowser1.Document.GetElementById( 
        ' "mytext2").GetAttribute("value")
        ' If ImageInhalt.Contains("STOP") Then
        'PictureBox1.Image = My.Resources._stop
        'End If
    End Sub
End Class

<input type="text" name="mytext" value="Hallo"/><br/>"
<input type="text" name="mytext2" value="OK"/><br/>