 | Weak |
Implements a weak event listener that allows the owner to be garbage
collected if its only remaining link is an event handler.
Inheritance HierarchyNamespace: TomsToolbox.Essentials
Assembly: TomsToolbox.Essentials (in TomsToolbox.Essentials.dll) Version: 2.21.0+44d18b541fc9419ec3c549350a832394661b2a4d
XMLNS for XAML: Not mapped to an xmlns.
Syntaxpublic class WeakEventListener<TTarget, TSource, TEventArgs> : IWeakEventListener where TTarget : class where TSource : class
Type Parameters
- TTarget
- Type of the target instance listening for the event.
- TSource
- Type of source instance for the event.
- TEventArgs
- Type of event arguments for the event.
The WeakEventListener<TTarget, TSource, TEventArgs> type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | WeakEventListener<TTarget, TSource, TEventArgs>(TTarget, TSource, Action<TTarget, Object, TEventArgs>, Action<WeakEventListener<TTarget, TSource, TEventArgs>, TSource>, Action<WeakEventListener<TTarget, TSource, TEventArgs>, TSource>) | Initializes a new instances of the WeakEventListener class that references the source but not the target. |
| WeakEventListener<TTarget, TSource, TEventArgs>(TTarget, WeakReference<TSource>, Action<TTarget, Object, TEventArgs>, Action<WeakEventListener<TTarget, TSource, TEventArgs>, TSource>, Action<WeakEventListener<TTarget, TSource, TEventArgs>, TSource>) | Initializes a new instances of the WeakEventListener class that does not reference both source and target. |
Methods| Name | Description | |
|---|---|---|
| Detach | Detaches from the subscribed event. |
| OnEvent | Handler for the subscribed event calls OnEventAction to handle it. |
Extension Methods| Name | Description | |
|---|---|---|
 | SafeCast<T> |
Performs a cast from object to T, avoiding possible null violations if T is a value type.
(Defined by ObjectExtensions) |
See Also