ExecuteEvents.GetEventHandler

Parameters

Returns

GameObject 处理 GameObject。

Description

遍历从 root 开始的对象层级视图，然后返回实现类型为 <T> 的事件处理程序的 GameObject。

注意：遍历从根对象向上执行，而不是向下执行。

using UnityEngine;
using UnityEngine.EventSystems;

public class GetEventHandlerExample : MonoBehaviour
{
    // Find the GameObject which implements IDragHandler

    void Start()
    {
        GameObject handlerObject = ExecuteEvents.GetEventHandler<IDragHandler>(this.gameObject);

        if (handlerObject == null)
            Debug.Log("Drag Handler not found.");
        else
            Debug.Log("Drag Handler is attached to GameObject '" + handlerObject.name + "'");
    }
}