private async void btn_login_Click_1(object sender, RoutedEventArgs e) { try { mClient.SetServerIPAddress(txt_ip.Text); mClient.SetServerPort(txt_porta.Text); await mClient.ConnettiAlServer(); if (mClient.IsConnected()) { MessageBox.Show("connesso"); mClient.Invia(txt_username.Text); MainWindow win2 = new MainWindow(mClient); win2.Show(); this.Close(); } else { MessageBox.Show("Impossibile connettersi al server controllare ip o porta"); } } catch (Exception) { MessageBox.Show("Errore in esecuzione di programma"); } }