private void psk_button_Click(object sender, EventArgs e) { AliceAGPFWPA.utils u = new AliceAGPFWPA.utils(); string essid = essid_input.Text; string mac = mac_input.Text; string ret = u.validateESSID(essid); if (!ret.Equals("fine")) { psk_output.Text = ret; return; } if (string.IsNullOrEmpty(mac)) { mac = "void"; } ret = agpfPSK.agpf_PSK(essid, mac); psk_output.Text = ret; return; }