sked/Assets/Script/UI/ButtonFocusItem.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Serialization;

public class ButtonFocusItem : MonoBehaviour
{
    public GameObject In;
    public GameObject Out;

    public void Focus(bool IN = true)
    {
        if (IN)
        {
            In.SetActive(true);
            Out.SetActive(false);
        }
        else
        {
            In.SetActive(false);
            Out.SetActive(true);
        }
    }

    [System.Serializable]
    public class SelectEvent : UnityEvent { }
    [FormerlySerializedAs("onSelect")]
    [SerializeField]
    [Space(10)]
    private SelectEvent m_OnSelect = new SelectEvent();
    public SelectEvent OnSelect
    {
        get { return m_OnSelect; }
        set { m_OnSelect = value; }
    }
    public void OnFocusSelect()
    {
        OnSelect.Invoke();
    }
}