private void StartServerButton_Click(object sender, EventArgs e) { if (UserNameTextBox.Text != "") { server.StartServer(UserNameTextBox.Text); IPAddressOutputTextBox.Text = server.GetIPAddress().ToString() + ": " + port; Debug.WriteLine(IPAddressOutputTextBox.Text); } else { MessageBox.Show("Enter a username", "Error", MessageBoxButtons.OK); } }