Sample Code
Windows Driver Samples/ Microsoft Virtual Audio Device Driver Sample/ C++/ kshelper.h/
/*++ Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved Module Name: kshelper.h Abstract: Helper functions for msvad --*/ #ifndef _MSVAD_KSHELPER_H_ #define _MSVAD_KSHELPER_H_ #include <portcls.h> #include <ksdebug.h> PWAVEFORMATEX GetWaveFormatEx ( IN PKSDATAFORMAT pDataFormat ); NTSTATUS PropertyHandler_BasicSupport ( IN PPCPROPERTY_REQUEST PropertyRequest, IN ULONG Flags, IN DWORD PropTypeSetId ); NTSTATUS ValidatePropertyParams ( IN PPCPROPERTY_REQUEST PropertyRequest, IN ULONG cbValueSize, IN ULONG cbInstanceSize = 0 ); #endif
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