scrollview 添加拖拽后失去按钮滑动功能的修复方案

public void OnDrag(PointerEventData eventData) {        //Debug.Log("OnDrag");            if(Mathf.Abs(eventData.delta.x) > Mathf.Abs(eventData.delta.y)) {                <span style="white-space:pre"></span>mScrollRectdata.scrollDelta = new Vector2(0, -eventData.delta.x);                <span style="white-space:pre"></span>transform.parent.parent.parent.GetComponent<ScrollRect>().OnScroll(mScrollRectdata);           }  }