/// <summary>
 /// Constructor of multi player window.
 /// </summary>
 public MultiPlayerWindow()
 {
     InitializeComponent();
     vm = new MultiPlayerVM();
     vm.NotifyConnection += OpponentConnected;
     vm.CantFindServer   += () =>
     {
         CantConnect win = new CantConnect();
         win.Show();
         connected = false;
     };
     DataContext = vm;
     vm.Connect();
 }