/// <summary>
/// Method that is getting called when the game is over.
/// </summary>
private void GameIsOver()
{
this.timer.Stop();
string playerName = string.Empty;
var win = new GameOver();
if (win.ShowDialog() == true)
{
playerName = win.PlayerName;
}
else
{
playerName = "NaN";
}
this.gl.WriteHighScore(playerName);
HighScores hs = new HighScores();
hs.Show();
this.Close();
}