private void Button_Click_XML(object sender, RoutedEventArgs e)
{
Xml.ImportData();
Xml.Add_Current_Score(this.Game.Config.UserName, this.Game.Config.Score);
Xml.SortXmlList();
Xml.UpdateAndShowData();
this.label_HighScore.Content = Xml.StringOfAllHighScores;
this.border_highscore.Opacity = 1.0;
}