Message in Chinese (Simplified) (中文(简体))
调用 AsyncCallback 时,IAsyncResult 标记为“IsCompleted = false”。必须在完成异步操作之后才能调用该回调。
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.
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