/// <summary>
/// The OnClick for the "connect"command button. Create a new client
/// socket. Much of this code is exception processing.
/// </summary>
private void buttonConnect_Click(object sender, EventArgs e)
{
try
{
socketClient = new TcpClient(serverName, serverPort);
}
catch (Exception err)
{
//Console is a sealed object; we can't make it, we can just access
listBoxOutput.Items.Add("Error in connecting to server.");
listBoxOutput.Items.Add(err.Message);
labelStatus.Text = "Error " + err.Message;
labelStatus.BackColor = Color.Red;
}
if (socketClient == null)
{
listBoxOutput.Items.Add("Socket not connected.");
}
else
{
// Make some streams. They have rather more
// capabilities than just a socket. With this type
// of socket, we can't read from it and write to it
// directly.
connectionStream = socketClient.GetStream();
inStream = new BinaryReader(connectionStream);
outStream = new BinaryWriter(connectionStream);
listBoxOutput.Items.Add("Socket connected to " + serverName);
labelStatus.BackColor = Color.Green;
labelStatus.Text = "Connected to Server (" + serverName + ")";
// Disable connect button (we can only connect once) and
// enable other components.
buttonConnect.Enabled = false;
buttonCarArrived.Enabled = true;
// We have now accepted a connection:
//There are several ways to do this next bit. Here I make a
//network stream and use it to create two other streams, an
//input and an output stream. Life gets easier at that
//point.
threadConnection = new ThreadConnection(uiContext, socketClient, this);
// Create a new Thread to manage the connection that receives
// data. If you are a Java programmer, this looks like a
// load of hokum cokum..
Thread threadRunner = new Thread(new ThreadStart(threadConnection.Run));
threadRunner.Start();
Console.WriteLine("Debug: Created new connection class.");
}
}
