Message in Chinese (Traditional) (中文(繁體))
傳入非同步回呼的 IAsyncResult 沒有有效的 AsyncState。
Unlocalized message
The IAsyncResult passed into the async callback does not have a valid AsyncState.
Search by Google
傳入非同步回呼的 IAsyncResult 沒有有效的 AsyncState。

The IAsyncResult passed into the async callback does not have a valid AsyncState.
Search by Google