public PreviewDisplayConfigurationViewModel(Config activeConfig, string address, int port, ImageBrush backgroundBrush) : base(activeConfig)
{
DisplayWindow.Background = backgroundBrush;
DisplayWindow.Cursor = Cursors.None;
DisplayWindow.InputBindings.Add(new KeyBinding(new RelayCommand((param) => DisplayLines = !DisplayLines), Key.M, ModifierKeys.Control));
ToggleButtonMapCommand = new RelayCommand(x => DisplayLines = !DisplayLines);
ButtonClickCommand = new RelayCommand(async p => {
int t = await Task <int> .Factory.StartNew(() => {
try {
using (TcpClient client = new TcpClient()) {
if (!client.ConnectAsync(address, port).Wait(2000))
{
return(2);
}
byte[] data = Encoding.ASCII.GetBytes(((ButtonViewModel)p).Message + "\r");
using (NetworkStream stream = client.GetStream()) {
stream.Write(data, 0, data.Length);
}
return(0);
}
} catch (AggregateException e) {
int exceptionCode = -1;
e.Handle(ex => {
if (exceptionCode != -1)
{
return(true);
}
if (ex is IOException)
{
exceptionCode = 1;
}
else if (ex is SocketException)
{
exceptionCode = 2;
}
else
{
return(false);
}
return(true);
});
return(exceptionCode);
}
});
if (!_isExceptionBeingAcknowledged && t == 1)
{
_isExceptionBeingAcknowledged = true;
DialogFactory.CreateErrorDialog(Constants.C_ConnectionError, "Connection lost, message not sent.", DisplayWindow);
_isExceptionBeingAcknowledged = false;
}
else if (!_isExceptionBeingAcknowledged && t == 2)
{
_isExceptionBeingAcknowledged = true;
DialogFactory.CreateErrorDialog(Constants.C_ConnectionError, "Unable to connect to host.", DisplayWindow);
_isExceptionBeingAcknowledged = false;
}
});
DisplayWindow.ShowDialog();
}
