Interaction logic for PopUpAirlinerSeatsConfiguration.xaml
Inheritance: PopUpWindow, INotifyPropertyChanged
        public static object ShowPopUp(AirlinerType type, List <AirlinerClass> classes)
        {
            PopUpWindow window = new PopUpAirlinerSeatsConfiguration(type, classes);

            window.ShowDialog();

            return(window.Selected);
        }
        public static object ShowPopUp(AirlinerType type, List<AirlinerClass> classes)
        {
            PopUpWindow window = new PopUpAirlinerSeatsConfiguration(type, classes);
            window.ShowDialog();

            return window.Selected;
        }