private void OKButton_Click(object sender, EventArgs e) { if (UseProxyCheckBox.Checked) { int port; int timeout; if (!int.TryParse(ProxyPortTextBox.Text, out port)) { MessageBox.Show(I18N.GetString("Illegal port number format")); return; } if (!int.TryParse(ProxyTimeoutTextBox.Text, out timeout)) { MessageBox.Show(I18N.GetString("Illegal timeout format")); return; } var type = ProxyTypeComboBox.SelectedIndex; var proxy = ProxyServerTextBox.Text; try { Configuration.CheckServer(proxy); Configuration.CheckPort(port); Configuration.CheckTimeout(timeout, ProxyConfig.MaxProxyTimeoutSec); } catch (Exception ex) { MessageBox.Show(ex.Message); return; } controller.EnableProxy(type, proxy, port, timeout); } else { controller.DisableProxy(); } this.Close(); }