Message in Chinese (Traditional) (中文(繁體))
每個非同步作業只可以呼叫一次 EndInvoke。
Unlocalized message
EndInvoke can only be called once for each asynchronous operation.
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每個非同步作業只可以呼叫一次 EndInvoke。

EndInvoke can only be called once for each asynchronous operation.
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