C#

foreach (FontFamily ff in FontFamily.Families)
{
    if(ff.IsStyleAvailable(FontStyle.Regular))
        fontCombo.Items.Add(ff.Name);
}

data = ReceivingClient.Receive(endPoint);

public delegate void AddMessage(ref string message);

        private const int Port = 33333;

        private const string BroadcastAddress = "255.255.255.255";
        private UdpClient ReceivingClient;
        private UdpClient SendingClient;
        private Thread ReceivingThread;
        private bool EnableReceiver = true;

        public Client()
        {
            InitializeComponent();
        }

        private void Client_Load(object sender, EventArgs e)
        {
            InitializeSender();
            InitializeReceiver();
        }

        private void MessageReceived(ref string message)
        {
            textbox1.Text = message;
        }

        private void Receiver()
        {
            IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, Port);
            AddMessage messageDelegate = MessageReceived;

            while ((EnableReceiver == true))
            {
                byte[] data = null;
                data = ReceivingClient.Receive(endPoint);
                string message = Encoding.ASCII.GetString(data);
                Invoke(messageDelegate, message);
            }
        }

        private void InitializeSender()
        {
            SendingClient = new UdpClient(BroadcastAddress, Port);
            SendingClient.EnableBroadcast = true;
        }

        private void InitializeReceiver()
        {
            ReceivingClient = new UdpClient(Port);

            ThreadStart start = new ThreadStart(Receiver);
            ReceivingThread = new Thread(start);
            ReceivingThread.IsBackground = true;
            ReceivingThread.Start();
        }

data = ReceivingClient.Receive(ref(endPoint));

public void showRequill()
        {
            DataSet dsRequill = new DataSet();
            BindingSource bsRequill = new BindingSource();
            SqlDataAdapter daRequill = new SqlDataAdapter();
            DataTable dtRequill = new DataTable();

            int cnt = 0;

            try
            {
                daRequill.SelectCommand = new SqlCommand("select * from RD1 where UserNumber='" + cbWorkerNr.Text + "'", CN);
                daRequill.Fill(dsRequill);
                daRequill.Fill(dtRequill);
                bsRequill.DataSource = dsRequill.Tables[0];
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }

            foreach (DataColumn column in dtRequill.Columns)
            {
                newLabel = new Label();
                newCombo = new ComboBox();
                
                newLabel.Text = column.ColumnName;
                newLabel.AutoSize = true;
                newLabel.Visible = true;

                newCombo.Size = new Size(35, 21);
                newCombo.Items.AddRange(new object[] { "U", "S", "E", "B", "L" });
                newCombo.Name = "cbRequill_" + cnt.ToString();
                newCombo.Visible = true;
                newCombo.DataBindings.Clear();
                newCombo.DataBindings.Add(new Binding("Text", bsRequill, column.ColumnName));
                newCombo.TextChanged += new EventHandler(newCombo_TextChanged);

                flpRequill.Controls.Add(newLabel);
                flpRequill.Controls.Add(newCombo);
                cnt++;
            }
        }