private void ButtonStart(object sender, RoutedEventArgs e)
{
ChooseOption choose = new ChooseOption();
this.Content = choose;
}
//Kembali ke page ChooseOption
private void backToMainMenu(object sender, RoutedEventArgs e)
{
ChooseOption c = new ChooseOption();
((MainWindow)Application.Current.MainWindow).Content = c;
}
