private async void DeleteBtn_Click(object sender, RoutedEventArgs e)
{
try
{
DeleteBtn.IsEnabled = false;
ExitBtn.IsEnabled = false;
object ward = WardsListBox.SelectedItem;
int? id = ((Ward)ward)?.Id;
if (!id.HasValue)
{
throw new ArgumentException($"{nameof(id)} is incorrect");
}
MessageBoxResult messageBoxResult = System.Windows.MessageBox.Show("Are you sure?", "Delete Confirmation", System.Windows.MessageBoxButton.YesNo);
if (messageBoxResult == MessageBoxResult.No)
{
DeleteBtn.IsEnabled = true;
ExitBtn.IsEnabled = true;
return;
}
string request = tcpService.SerializeDeleteWard(id.Value, SingletoneObj.User);
byte[] data = await tcpService.CodeStreamAsync(request);
await SingletoneObj.Stream.WriteAsync(data, 0, data.Length);
string response = await tcpService.DecodeStreamAsync(SingletoneObj.Stream);
var responseArgs = response.Split(';');
if (responseArgs.Length > 1 && responseArgs[0].Contains("500"))
{
throw new ArgumentException(responseArgs[1]);
}
if (responseArgs.Length == 1 && responseArgs[0].Equals("200"))
{
wards.Remove((Ward)ward);
}
}
catch (Exception ex)
{
StatusLabel.Content = "Status: " + ex.Message;
}
finally
{
DeleteBtn.IsEnabled = true;
ExitBtn.IsEnabled = true;
}
}