private void toolStripDropDownButton2_ButtonClick(object sender, EventArgs e) { if (_audioClient == null) { ClientConfig clientConfig = ClientConfig.Instance(); _audioClient = new AudioClient(clientConfig.IP, clientConfig.Port + 2); _audioClient.Start(); _audioClient.Join("audiochat"); } else { _audioClient.Quit(); _audioClient.Dispose(); _audioClient = null; } }