garden_client/Assets/Script/Tool/UI/ScrollRectPlus.cs

using UnityEngine;
using UnityEngine.UI;

using System.Collections;
using UnityEngine.Events;
using UnityEngine.EventSystems;

public class ScrollRectPlus : ScrollRect 
{
    #region 变量

    public UnityAction<PointerEventData> DragEvent;
    public UnityAction<PointerEventData> EndDragEvent;

    #endregion

    public override void OnDrag(PointerEventData eventData)
    {
        base.OnDrag(eventData);

        if (DragEvent != null)
        {
            DragEvent.Invoke(eventData);
        }
    }

    public override void OnEndDrag(PointerEventData eventData)
    {
        base.OnEndDrag(eventData);

        if (EndDragEvent != null)
        {
            EndDragEvent.Invoke(eventData);
        }
    }
}