Message in Chinese (Traditional) (中文(繁體))
以標記為 'IsCompleted = false' 的 IAsyncResult 叫用 AsyncCallback。必須等到非同步作業完成後才能叫用回呼。
Unlocalized message
AsyncCallback was invoked with an IAsyncResult which was marked 'IsCompleted = false'. The callback must not be invoked until the asynchronous operation has completed.
Search by Google