/// <summary>
/// Incoming data received event handler method
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Client_ConnectionChanged(object sender, ConnectionChangedEventArgs e)
{
//event gets called by Listener thread via Delegate
if (ConversationTextBox.InvokeRequired) //element is on a different thread
{
MethodInvoker invoker
= new MethodInvoker(delegate() {
if (e.ConnMsg.StartsWith("Received"))
{
ConversationTextBox.AppendText(e.ConnMsg, Color.Blue);
ConversationTextBox.AppendText(Environment.NewLine);
}
else
{
ConversationTextBox.AppendText(e.ConnMsg, Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
}
//ConversationTextBox.Text += e.ConnMsg;
});
ConversationTextBox.BeginInvoke(invoker);
}
else
{
//business as usual
//update the progress bar
ConversationTextBox.Text += e.ConnMsg;
}
}
/// <summary>
/// send a message
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SendMsgButton_Click(object sender, EventArgs e)
{
Client.WriteMessage(MessageTextBox.Text);
client.Log(MessageTextBox.Text);
ConversationTextBox.AppendText(">>" + MessageTextBox.Text, Color.Blue);
ConversationTextBox.AppendText(Environment.NewLine);
MessageTextBox.Text = "";
}
/// <summary>
/// disconnect chat app
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void disconnectToolStripMenuItem_Click(object sender, EventArgs e)
{
//Start thread to listen for messages from server
if (client != null)
{
client.Stop();
ConversationTextBox.AppendText("<< Connection Closed >>", Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
connectToolStripMenuItem.Enabled = true;
MessageTextBox.Enabled = false;
}
}
/// <summary>
/// handle connect button to connect to server
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void connectToolStripMenuItem_Click(object sender, EventArgs e)
{
client = new Client();
ConversationTextBox.AppendText("<< Client Started >>", Color.Black);
ConversationTextBox.AppendText(Environment.NewLine);
//Start thread to listen for messages from server
client.Start(ipAddress, port, out errorMessage);
//Main thread handles user input
client.ConnectionChanged
+= new ChatLib.ConnectionChangedEventHandler(Client_ConnectionChanged);
connectionThread = new Thread(client.Listen);
connectionThread.IsBackground = true; //this will allow front end to kill it when closing
connectionThread.Name = "ConnectionThread";
connectionThread.Start();
disconnectToolStripMenuItem.Enabled = true;
connectToolStripMenuItem.Enabled = false;
MessageTextBox.Enabled = true;
}