HeavenStudio/Assets/Scripts/LevelEditor/SnapDialog/SnapChangeButton.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;

namespace HeavenStudio.Editor 
{
    public class SnapChangeButton : Button, IPointerDownHandler
    {
        public SnapDialog SnapDialog;
        public bool isDown;

        public override void OnPointerDown(PointerEventData eventData)
        {
            if (eventData.button == PointerEventData.InputButton.Left)
            {
                SnapDialog.ChangeCommon(isDown);
            }
        }
    }
}