Message in Chinese (Simplified) (中文(简体))
在对集合执行添加操作的同时不能使用 CompleteAdding。
Unlocalized message
CompleteAdding may not be used concurrently with additions to the collection.
Search by Google在对集合执行添加操作的同时不能使用 CompleteAdding。
CompleteAdding may not be used concurrently with additions to the collection.
Search by Google