private async void Aceptar_Click(object sender, RoutedEventArgs e) { Loading.Visibility = Visibility.Visible; key = await log.AccessAsync(usr.Text, pass.Password); if (key != 0) { Xceed.Wpf.Toolkit.MessageBox.Show("Bienvenido de nuevo, accesando a su panel", "¡Buen dia!", MessageBoxButton.OK, MessageBoxImage.None); this.Hide(); ControlWindow control = new ControlWindow(); control.Show(key); this.Close(); Loading.Visibility = Visibility.Collapsed; } else { Xceed.Wpf.Toolkit.MessageBox.Show("Usuario o contraseña incorrectos, rectificalos", "Alto ahi", MessageBoxButton.OK, MessageBoxImage.Stop); Loading.Visibility = Visibility.Collapsed; } }