/// <summary>
/// Occurs after navigation
/// </summary>
/// <param name="sender"> The event sender. </param>
/// <param name="e"> The event args. </param>
protected virtual async void OnNavigated(object sender, NavigationEventArgs e)
{
if (e.Uri.IsAbsoluteUri || e.Content == null)
{
return;
}
ViewLocator.InitializeComponent(e.Content);
var viewModel = ViewModelLocator.LocateForView(e.Content);
if (viewModel == null)
{
return;
}
var page = e.Content as Page;
if (page == null)
{
throw new ArgumentException("View '" + e.Content.GetType().FullName + "' should inherit from Page or one of its descendents.");
}
if (treatViewAsLoaded)
{
page.SetValue(View.IsLoadedProperty, true);
}
TryInjectParameters(viewModel, e.ExtraData);
ViewModelBinder.Bind(viewModel, page, null);
if (viewModel is IActivate activator)
{
await activator.ActivateAsync();
}
GC.Collect();
}
/// <summary>
/// Binds the view model.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="viewModel">The view model.</param>
protected virtual async Task BindViewModel(DependencyObject view, object viewModel = null)
{
ViewLocator.InitializeComponent(view);
viewModel = viewModel ?? ViewModelLocator.LocateForView(view);
if (viewModel == null)
{
return;
}
if (treatViewAsLoaded)
{
view.SetValue(View.IsLoadedProperty, true);
}
TryInjectParameters(viewModel, CurrentParameter);
ViewModelBinder.Bind(viewModel, view, null);
if (viewModel is IActivate activator)
{
await activator.ActivateAsync();
}
}
