NGUI Sprite 和 Label 改变Layer 或父物体后 未更新深度问题

using UnityEngine;
using System.Collections.Generic;

/// <summary>
/// Sprite is a textured element in the UI hierarchy.
/// </summary>
/// 
public partial class UISprite : UIBasicSprite
{
public void OnInitNew()
{
OnInit();
}
}

/// <summary>
    /// Auto-upgrade.
    /// </summary>

    protected override void OnInit ()
    {
        Debug.Log("Chu SHiHua");
        if (!mFillCenter)
        {
            mFillCenter = true;
            centerType = AdvancedType.Invisible;
#if UNITY_EDITOR
            NGUITools.SetDirty(this);
#endif
        }
        base.OnInit();
    }

 public void OnInit2()
    {
        OnInit();
    }

递归

void WhileFindChild(Transform transform)
    {
        Transform temp = transform;
        Debug.Log(""+temp.name);
        if (transform.GetComponent<UISprite>())
        {
            transform.GetComponent<UISprite>().OnInit2();
        }
        if (transform.GetComponent<UILabel>())
        {
            transform.GetComponent<UILabel>().OnInit2();
        }

        if (temp.childCount > 0)
        {
            foreach (Transform item in temp)
            {
                UILabel label = item.GetComponent<UILabel>();
                if (label)
                {
                    label.OnInit2();
                }
                UISprite sprite = item.GetComponent<UISprite>();
                if (sprite)
                {
                    sprite.OnInit2();
                }
                temp = item;
                WhileFindChild(temp);
            }
        }
    }