Version: 2022.2
LanguageEnglish
  • C#

UnityEvent

class in UnityEngine.Events

/

Inherits from:Events.UnityEventBase

/

Implemented in:UnityEngine.CoreModule

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Description

A zero argument persistent callback that can be saved with the Scene.

using UnityEngine;
using UnityEngine.Events;
using System.Collections;

public class ExampleClass : MonoBehaviour { UnityEvent m_MyEvent;

void Start() { if (m_MyEvent == null) m_MyEvent = new UnityEvent();

m_MyEvent.AddListener(Ping); }

void Update() { if (Input.anyKeyDown && m_MyEvent != null) { m_MyEvent.Invoke(); } }

void Ping() { Debug.Log("Ping"); } }

Constructors

UnityEventConstructor.

Public Methods

AddListenerAdd a non persistent listener to the UnityEvent.
InvokeInvoke all registered callbacks (runtime and persistent).
RemoveListenerRemove a non persistent listener from the UnityEvent. If you have added the same listener multiple times, this method will remove all occurrences of it.

Inherited Members

Public Methods

GetPersistentEventCountGet the number of registered persistent listeners.
GetPersistentListenerStateReturns the execution state of a persistent listener.
GetPersistentMethodNameGet the target method name of the listener at index index.
GetPersistentTargetGet the target component of the listener at index index.
RemoveAllListenersRemove all non-persistent (ie created from script) listeners from the event.
SetPersistentListenerStateModify the execution state of a persistent listener.

Static Methods

GetValidMethodInfoGiven an object, function name, and a list of argument types; find the method that matches.
Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961