public AttendedViewModel(IInstallationService installationService, InstallViewModel installViewModel, ModifyViewModel modifyViewModel, UninstallViewModel uninstallViewModel)
        {
            _installationService = installationService;
            _installViewModel    = installViewModel;
            _modifyViewModel     = modifyViewModel;
            _uninstallViewModel  = uninstallViewModel;

            _installViewModel.Closed   += ChildOnClosed;
            _uninstallViewModel.Closed += ChildOnClosed;
        }
 public UninstallView(UninstallViewModel viewModel)
 {
     DataContext = viewModel;
     InitializeComponent();
 }