public void RegisterWnd(BaseWnd wnd)
{
wnd.transform.SetParent(uiRoot);
wnd.transform.localPosition = Vector3.zero;
wnd.transform.localScale = Vector3.one;
wnd.gameObject.GetComponent <Canvas> ().sortingOrder = GetNextSortOrder();
_wndList.Add(wnd);
}
public void UnregisterWnd(BaseWnd wnd)
{
_wndList.Remove(wnd);
GameObject.Destroy(wnd.gameObject);
}