PENABLECALLBACK - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTDBG_H

typedef VOID (NTAPI *PENABLECALLBACK)(
    _In_ LPCGUID SourceId,
    _In_ ULONG IsEnabled,
    _In_ UCHAR Level,
    _In_ ULONGLONG MatchAnyKeyword,
    _In_ ULONGLONG MatchAllKeyword,
    _In_opt_ PEVENT_FILTER_DESCRIPTOR FilterData,
    _Inout_opt_ PVOID CallbackContext
    );

#endif

View code on GitHub

This callback function is documented in Windows SDK.