Selectable.allSelectables

설명

List of all the selectable objects currently active in the scene.

UI.Selectable.allSelectables.

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // required when using UI elements in scripts

public class Example : MonoBehaviour 
{
	//Displays the names of all selectable elements in the scene
	public void GetNames () 
	{
		foreach (Selectable selectableUI in Selectable.allSelectables) 
		{
			Debug.Log(selectableUI.name);
		}
	}
}