Interface EventRegistry<T>

interface EventRegistry<T> {
    add(listener: Listener<T>): number;
    clear(): number;
    register(listener: Listener<T>): number;
    remove(id: number): undefined | Listener<T>;
}

Type Parameters

T

Implemented by

EventDispatcher

Index

Methods

add clear register remove

Methods

add

add(listener: Listener<T>): number
Attempts to add a listener.
Parameters
- listener: Listener<T>
Returns number
The registered Id of the listener.

Throws
ArgumentNullException if the listener is null.

Throws
ArgumentException if the listener already exists.
- Defined in Event.d.ts:64

clear

clear(): number
Clears all listeners.

Returns number
The number of listeners cleared.
- Defined in Event.d.ts:86

register

register(listener: Listener<T>): number
Registers a listener. If the listener already exists, nothing changes and the original Id is returned.
Parameters
- listener: Listener<T>
Returns number
The registered Id of the listener.

Throws
ArgumentNullException if the listener is null.
- Defined in Event.d.ts:73

remove

remove(id: number): undefined | Listener<T>
Removes a listener by Id.
Parameters
- id: number
  The registered Id of the listener.
Returns undefined | Listener<T>
The listener or undefined if not found.
- Defined in Event.d.ts:80