private async Task <byte[]> SendCommandAndGetDataAsync(RatCommand command)
{
IsEnabled = false;
var buffer = new byte[Common.BufferSize];
_client = new Socket(SocketType.Stream, ProtocolType.Tcp);
try
{
await _client.ConnectAsync(new IPEndPoint(IPAddress.Parse(AddressTextBox.Text), Common.Port));
_client.Send(new[] { (byte)command });
_client.Receive(buffer);
return(buffer);
}
catch (SocketException ex)
{
if (ex.SocketErrorCode == SocketError.ConnectionRefused)
{
Dispatcher.Invoke(() =>
MessageBox.Show("Cannot connect", "Error", MessageBoxButton.OK, MessageBoxImage.Error));
}
}
finally
{
Dispatcher.Invoke(() => IsEnabled = true);
}
return(null);
}
private async void SendCommand(RatCommand command, IEnumerable <byte> data = null)
{
IsEnabled = false;
_client = new Socket(SocketType.Stream, ProtocolType.Tcp);
try
{
await _client.ConnectAsync(new IPEndPoint(IPAddress.Parse(AddressTextBox.Text), Common.Port));
var commandId = new[] { (byte)command };
_client.Send(data == null ? commandId : commandId.Concat(data).ToArray());
}
catch (SocketException ex)
{
if (ex.SocketErrorCode == SocketError.ConnectionRefused)
{
Dispatcher.Invoke(() =>
MessageBox.Show("Cannot connect", "Error", MessageBoxButton.OK, MessageBoxImage.Error));
}
}
finally
{
Dispatcher.Invoke(() => IsEnabled = true);
}
}
