Version: 2021.3
public void SetAsLastSibling ();


ローカルの Transform リストで、一番最後の順番になるよう移動します。

using UnityEngine;
using System.Collections;
using UnityEngine.UI; //Required when using UI Elements.
using UnityEngine.EventSystems; // Required when using event data.

public class ExampleClass : MonoBehaviour, IPointerDownHandler { public RectTransform panelRectTransform;

//Invoked when the mouse pointer goes down on a UI element. public void OnPointerDown(PointerEventData data) { // Puts the panel to the front as it is now the last UI element to be drawn. panelRectTransform.SetAsLastSibling(); } }