public static IDisposable SetDisposableBinding(this DependencyObject target, DependencyProperty dependencyProperty, Binding binding,
bool restoreValue = false)
{
var localValue = target.ReadLocalValue(dependencyProperty);
var weakRef = new WeakReference(target);
BindingOperations.SetBinding(target, dependencyProperty, binding);
return(DelegateDisposable.Create(delegate
{
var reference = weakRef.GetTarget <DependencyObject>();
if (reference == null)
{
return;
}
if (reference.ReadLocalBinding(dependencyProperty) != binding)
{
return;
}
if (restoreValue == false)
{
reference.ClearValue(dependencyProperty);
}
else
{
reference.RestoreLocalValue(dependencyProperty, localValue);
}
}));
}
public NotifyCollectionEventDispatcher(INotifyCollectionChanged notifier, Action <T> onItemAdded, Action <T> onItemRemoved, Action onReset)
: base(onItemAdded, onItemRemoved, onReset)
{
_disposer = DelegateDisposable.Create(() => notifier.CollectionChanged += OnCollectionChangedHandler, () => notifier.CollectionChanged -= OnCollectionChangedHandler);
}
public static IDisposable Suspend(BoolSuspender suspender)
{
return(DelegateDisposable.Create(suspender.Suspend, suspender.Resume));
}
