NTSTATUS NTAPI DrmForwardContentToInterface(IN ULONG ContentId, IN PUNKNOWN pUnknown, IN ULONG NumMethods)
NTSTATUS NTAPI DrmDestroyContent(IN ULONG ContentId)
NTSTATUS NTAPI DrmForwardContentToDeviceObject(IN ULONG ContentId, IN PVOID Reserved, IN PCDRMFORWARD DrmForward)
NTSTATUS NTAPI DrmAddContentHandlers(IN ULONG ContentId, IN PVOID *paHandlers, IN ULONG NumHandlers)
NTSTATUS NTAPI DrmGetContentRights(IN ULONG ContentId, OUT PDRMRIGHTS DrmRights)
NTSTATUS NTAPI DrmCreateContentMixed(IN PULONG paContentId, IN ULONG cContentId, OUT PULONG pMixedContentId)
NTSTATUS NTAPI DrmForwardContentToFileObject(IN ULONG ContentId, IN PFILE_OBJECT FileObject)
_Out_ PDRMRIGHTS DrmRights
_In_ ULONG _Out_ PULONG pMixedContentId
#define STATUS_UNSUCCESSFUL
_In_ WDFREQUEST _In_ WDFFILEOBJECT FileObject
_Reserved_ PVOID Reserved