private void ex_rules_Click(object sender, EventArgs e) { double psup; double pcon; double ppco; double nsup; double ncon; double npco; ac = new AR(trainmessages, AllKeyWords); try { psup = Convert.ToDouble(psupp.Text); pcon = Convert.ToDouble(pconf.Text); ppco = Convert.ToDouble(ppconf.Text); nsup = Convert.ToDouble(nsupp.Text); ncon = Convert.ToDouble(nconf.Text); npco = Convert.ToDouble(npconf.Text); } catch { MessageBox.Show("incorect format"); return; } ac = new AR(trainmessages, AllKeyWords); ac.EX_Rules(psup, pcon, ppco, nsup, ncon, npco); }