出处:https://github.com/microsoft/Windows-classic-samples/blob/1d363ff4bd17d8e20415b92e2ee989d615cc0d91/Samples/Hyper-V/Storage/cpp/MirrorVirtualDisk.cpp
OVERLAPPED overlapped; memset(&overlapped, 0, sizeof(overlapped)); overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); if (overlapped.hEvent == NULL) { opStatus = GetLastError(); //Cleanup; }