private void button_Start_Click(object sender, RoutedEventArgs e) { int port; if (textBox_Port.Text == "" || !int.TryParse(textBox_Port.Text, out port)) { MessageBox.Show("Enter a valid port number to run the server on!", "Invalid Port Number", MessageBoxButton.OK); return; } int numMax; if (!int.TryParse(textBox_Clients.Text, out numMax)) { MessageBox.Show("Enter a valid number of clients to support!", "Invalid # Clients Number", MessageBoxButton.OK); return; } // start server theServer = new Server(numMax); try { theServer.Start(port); } catch { MessageBox.Show("Error starting server, check network connection and try again.", "Server couldn't start", MessageBoxButton.OK); return; } theServer.RecievedMessage += TheServer_RecievedMessage; theServer.ClientConnected += TheServer_ConnectionAccepted; theServer.ClientDisconnected += TheServer_ClientDisconnected; // display IP address and port string printtext = "Server started at " + theServer.GetIPAddress().ToString() + " on port " + port; dispText(printtext); // display waiting for client message dispText("waiting for client"); // show # available clients printtext = "Available Clients = " + theServer.GetNumAvail(); dispText(printtext); textBox_Clients.IsEnabled = false; textBox_Port.IsEnabled = false; button_Start.IsEnabled = false; button_Stop.IsEnabled = true; textBox_Message.IsEnabled = true; button_Send.IsEnabled = true; }