public partial class MainWindow
    {
        public readonly CrackerDetails CrackerStats = new CrackerDetails();
        public ComboSys ComboSystem = new ComboSys();

        public MainWindow()
        {
            InitializeComponent();


            DataContext = new
            {
                CrackerStats,
                ComboSystem
            };
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            switch (((Button) sender).Tag.ToString())
            {
                case "START":
                    MessageBox.Show("START");
                    break;
                case "STOP":
                    MessageBox.Show("STOP");
                    break;
                case "LOADCOMBOS":
                    var openCombos = new OpenFileDialog
                    {
                        Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*",
                        Title = "Open Combos!"
                    };
                    if (openCombos.ShowDialog() == true)
                        ComboSystem.LoadCombos(openCombos.FileName);
                    break;
                case "LOADPROXIES":
                    MessageBox.Show("LOADPROXIES");
                    break;
            }
        }
    }