public RoutedEventArgs(object viewModel, string routeName)
 {
     NewRoute = new RouteInfo(viewModel, routeName);
 }
 public RoutedEventArgs(RouteInfo route)
 {
     NewRoute = route;
 }
 public RoutingEventArgs(RouteContext toContext, string fromRoute, object fromVm)
 {
     To   = new RouteInfo(toContext);
     From = new RouteInfo(fromVm, fromRoute);
 }