WeakEventListener<TInstance,TSource,TEventArgs> Class
Definition
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Implements a weak event listener that allows the owner to be garbage collected if its only remaining link is an event handler.
public sealed class WeakEventListener<TInstance,TSource,TEventArgs> where TInstance : classtype WeakEventListener<'Instance, 'Source, 'EventArgs (requires 'Instance : null)> = classPublic NotInheritable Class WeakEventListener(Of TInstance, TSource, TEventArgs)Type Parameters
- TInstance
Type of instance listening for the event.
- TSource
Type of source for the event.
- TEventArgs
Type of event arguments for the event.
- Inheritance
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WeakEventListener<TInstance,TSource,TEventArgs>
Constructors
| WeakEventListener<TInstance,TSource,TEventArgs>(TInstance) |
Initializes a new instance of the WeakEventListener<TInstance,TSource,TEventArgs> class. |
Properties
| OnDetachAction |
Gets or sets the method to call when detaching from the event. |
| OnEventAction |
Gets or sets the method to call when the event fires. |
Methods
| Detach() |
Detaches from the subscribed event. |
| OnEvent(TSource, TEventArgs) |
Handler for the subscribed event calls OnEventAction to handle it. |