pub unsafe extern "system" fn EventRegister(
ProviderId: LPCGUID,
EnableCallback: PENABLECALLBACK,
CallbackContext: PVOID,
RegHandle: PREGHANDLE,
) -> ULONGpub unsafe extern "system" fn EventRegister(
ProviderId: LPCGUID,
EnableCallback: PENABLECALLBACK,
CallbackContext: PVOID,
RegHandle: PREGHANDLE,
) -> ULONG