Function Request_Return_("http://WWW.BeispielLink.abc") As Integer
        Dim Http_Num_ As Integer, Pos0_ As Integer, Pos1_ As Integer
        Dim myHttpWebRequest_ As HttpWebRequest, myHttpWebResponse_ As _
          HttpWebResponse
 
        Try
            myHttpWebRequest_ = CType(WebRequest.Create( _
              "http://WWW.BeispielLink.abc"), HttpWebRequest)
            myHttpWebResponse_ = CType(myHttpWebRequest_.GetResponse(), _
            HttpWebResponse)
            myHttpWebResponse_.Close()
        Catch e As WebException
 
        Catch e As Exception
            Console.WriteLine(e.Message)
            Console.WriteLine(ControlChars.NewLine + "The following exception" & _
              "was raised : {0}", e.Message)
        End Try
Request_Return_Exit_:
    End Function

Ausnahme ausgelöst: "System.Net.WebException" in System.dll