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HasOverlappedIoCompleted info Overview GroupThe HasOverlappedIoCompleted macro provides a high performance test operation that can be used to poll for the completion of an outstanding I/O operation. BOOL HasOverlappedIoCompleted(
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Return ValueReturns TRUE if the I/O operation has completed, and FALSE otherwise. RemarksTo cancel all pending asynchronous I/O operations, use the CancelIo function. This function only cancels operations issued by the calling thread for the specified file handle. I/O operations that are canceled complete with the error ERROR_OPERATION_ABORTED. To get more details about a completed I/O operation, call the GetOverlappedResult or GetQueuedCompletionStatus function. The HasOverlappedIoCompleted macro is defined as follows: #define HasOverlappedIoCompleted(lpOverlapped) \ ((lpOverlapped)->Internal != STATUS_PENDING) See AlsoCancelIo, ConnectNamedPipe, DeviceIoControl, OVERLAPPED, ReadFile, TransactNamedPipe, WaitCommEvent, WriteFile See:
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