Class WeakEvent<T>

Definition

Namespace:

Tizen.NUI

Assembly:

Tizen.NUI.dll

The WeakEvent without holding strong reference of event handler.

public class WeakEvent<T> where T : Delegate

Inheritance

object

WeakEvent<T>

Properties

Count

The count of currently stored event handlers.

Declaration

protected int Count { get; }

Property Value

Type	Description
int

Methods

Add(T)

Adds an event handler to the list of weak references.

Declaration

public virtual void Add(T handler)

Parameters

Type	Name	Description
T	handler

Invoke(object, object)

Invoke event handlers.

Declaration

public void Invoke(object sender, object args)

Parameters

Type	Name	Description
object	sender	The source of the event.
object	args	An object that contains event data.

OnCountDecreased()

Invoked when the event handler count is decreased.

Declaration

protected virtual void OnCountDecreased()

Remarks

The event handler count decreases when an event handler is removed with Remove(T) or after detecting that it is no longer valid.

OnCountIncreased()

Invoked when the event handler count is increased - a new event handler has been added.

Declaration

protected virtual void OnCountIncreased()

Remove(T)

Remove last stored event handler equal to handler.

Declaration

public virtual void Remove(T handler)

Parameters

Type	Name	Description
T	handler	The event handler to remove.