Interaction logic for WinnerSelectionDialog.xaml
Наследование: System.Windows.Window
        public override async void Execute(object parameter = null)
        {
            _viewModel.IsGameInProgress = false;

            var competitors = _viewModel.Elimination.GetNextCompetitors();

            var window = new WinnerSelectionDialog(competitors);
            window.ShowDialog();
            if (window.DialogResult.HasValue && window.DialogResult.Value)
            {
                var result = new RoundResult()
                {
                    FinalResult = competitors.ToDictionary(comp => comp, comp => comp.Id == window.SelectedWinner.Id ? 1.0 : 0.0),
                    IsFinished = true
                };
                await _viewModel.MakeEndGameConfiguration(result);
            }
            else
            {
                _viewModel.IsGamePaused = true;
            }
        }