public void Handle(OpenAboutWindowEvent aboutWindowEvent)
        {
            var aboutWindow = new AboutWindow();

            if (aboutWindow.DataContext is AboutViewModel viewModel)
            {
                viewModel.InitializePage(aboutWindowEvent);
            }

            var result = aboutWindow.ShowDialog();
        }
 public void Handle(OpenAboutWindowEvent message)
 {
     ((IDisposable)CurrentPage).Dispose();
     NavigateToPage(typeof(AboutPage), message);
 }