public void FrameworkElementIsActivatedAndDeactivated()
{
var uc = new WpfTestUserControl();
var activation = new ActivationForViewFetcher();
var obs = activation.GetActivationForView(uc);
obs.ToObservableChangeSet(scheduler: ImmediateScheduler.Instance).Bind(out var activated).Subscribe();
var loaded = new RoutedEventArgs();
loaded.RoutedEvent = FrameworkElement.LoadedEvent;
uc.RaiseEvent(loaded);
new[] { true }.AssertAreEqual(activated);
var unloaded = new RoutedEventArgs();
unloaded.RoutedEvent = FrameworkElement.UnloadedEvent;
uc.RaiseEvent(unloaded);
new[] { true, false }.AssertAreEqual(activated);
}
public void IsHitTestVisibleActivatesFrameworkElement()
{
var uc = new WpfTestUserControl();
uc.IsHitTestVisible = false;
var activation = new ActivationForViewFetcher();
var obs = activation.GetActivationForView(uc);
obs.ToObservableChangeSet(scheduler: ImmediateScheduler.Instance).Bind(out var activated).Subscribe();
var loaded = new RoutedEventArgs();
loaded.RoutedEvent = FrameworkElement.LoadedEvent;
uc.RaiseEvent(loaded);
// Loaded has happened.
new[] { true }.AssertAreEqual(activated);
uc.IsHitTestVisible = true;
// IsHitTestVisible true, we don't want the event to repeat unnecessarily.
new[] { true }.AssertAreEqual(activated);
var unloaded = new RoutedEventArgs();
unloaded.RoutedEvent = FrameworkElement.UnloadedEvent;
uc.RaiseEvent(unloaded);
// We had both a loaded/hit test visible change/unloaded happen.
new[] { true, false }.AssertAreEqual(activated);
}
public void WindowAndFrameworkElementAreActivatedAndDeactivated()
{
var window = new WpfTestWindow();
var uc = new WpfTestUserControl();
window.RootGrid.Children.Add(uc);
var activation = new ActivationForViewFetcher();
var windowObs = activation.GetActivationForView(window);
windowObs.ToObservableChangeSet(scheduler: ImmediateScheduler.Instance).Bind(out var windowActivated).Subscribe();
var ucObs = activation.GetActivationForView(uc);
ucObs.ToObservableChangeSet(scheduler: ImmediateScheduler.Instance).Bind(out var controlActivated).Subscribe();
var loaded = new RoutedEventArgs();
loaded.RoutedEvent = FrameworkElement.LoadedEvent;
window.RaiseEvent(loaded);
uc.RaiseEvent(loaded);
new[] { true }.AssertAreEqual(windowActivated);
new[] { true }.AssertAreEqual(controlActivated);
window.Dispatcher.InvokeShutdown();
new[] { true, false }.AssertAreEqual(windowActivated);
new[] { true, false }.AssertAreEqual(controlActivated);
}
