public PrivateChatForm(string receiver)
 {
     InitializeComponent();
     _receiver = receiver;
     _context  = new InstanceContext(this);
     _client   = new Proxy.ServerClient(_context);
 }
        public MainForm()
        {
            InitializeComponent();

            Context = new InstanceContext(this);
            Client  = new Proxy.ServerClient(Context);
        }