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    private void SendtoTable()
        {
            this.Invoke((MethodInvoker)delegate
            {
                //GM Test
                textBox2.Text = ("VON " + IPback + " MSG " + Messageback);
               
                //Erzeuge Einträge
                if (String.IsNullOrEmpty(IPback))  
                { 
                }
                else
                {
                
                     listView1.Items.Add(new ListViewItem(new string[] { IPback, Messageback, "TCP08" }));
                     
                }

            });
           
        }