private void button1_Click(object sender, EventArgs e)
        {



            listBox1.Items.Add("You " + DateTime.Now.ToString() + " > " + textBox1.Text);

            Send();

        }

        public static string Send()
        {

            Form1 f1 = new Form1();
            String conv = f1.textBox1.Text;
            String respo = "Send|" + conv;
           sendCommand(respo);

            return respo;
        }