private void button1_Click(object sender, EventArgs e)
        {
            Label Lbl = new Label();
            Lbl.Name = "slabel" + Idx.ToString();
            Lbl.Text = textBox1.Text;
            if (Idx == 1)
            {
                Lbl.Location = Lbl.Location;
            }
             else
            {
                var PrevCont = panel1.Controls.Find("slabel" + (Idx - 1).ToString(),true);
                Lbl.Location.X = PrevCont[1].Location.X;
                Lbl.Location.Y = PrevCont[1].Location.Y+10;

            }
            panel1.Controls.Add(Lbl);
            Idx++;
            var c = new Choices();
            c.Add(textBox1.Text);
            var gb = new GrammarBuilder(c);
            var g = new Grammar(gb);
            rec.LoadGrammar(g);
            rec.Enabled = true;
        }