private static void SendDesktopeImage()
        {
            BinaryFormatter formatter = new BinaryFormatter();

            try
            {
                formatter.Serialize(SocketTCP.GetStream(), GrapDesktop());
            }
            catch
            {
                MessageBox.Show("Sa deconectat Vizualizatorul");
            }
        }
        private void button1_Click(object sender, EventArgs e)
        {
            portNumber = int.Parse(txt_port.Text);
            try
            {
                SocketTCP.GetInstance();
                SocketTCP.client.Connect(txt_ip.Text, portNumber);

                MessageBox.Show("Este conectat");
            }
            catch
            {
                MessageBox.Show("Eroare de conectare");
            }
        }