Message in Chinese (Simplified) (中文(简体))
对于每个异步操作,只能调用一次 EndInvoke。
Unlocalized message
EndInvoke can only be called once for each asynchronous operation.
Search by Google对于每个异步操作,只能调用一次 EndInvoke。
EndInvoke can only be called once for each asynchronous operation.
Search by Google