/// <summary>
/// Pause the game. No pawn can be placed and players' timers are stopped.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PauseButtonClick(object sender, RoutedEventArgs e)
{
game.Pause();
pauseButton.Content = game.Paused ? "Resume" : "Pause";
}