EtwEventUnregister - NtDoc

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

#ifndef _NTWMI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

//NTSYSAPI
//ULONG
//NTAPI
//EtwEventRegister(
//    _In_ LPCGUID ProviderId,
//    _In_opt_ PENABLECALLBACK EnableCallback,
//    _In_opt_ PVOID CallbackContext,
//    _Out_ PREGHANDLE RegHandle
//    );

NTSYSAPI
ULONG
NTAPI
EtwEventUnregister(
    _In_ REGHANDLE RegHandle
    );

#endif
#endif
View code on GitHub

ULONG EVNTAPI EtwEventUnregister(
    [in] REGHANDLE RegHandle
);
View the official Win32 development documentation

NtDoc

This function is documented in Windows SDK.

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Win32 development documentation (nf-ntetw-etweventunregister)

EtwEventUnregister function

Description

Unregisters an event.

Parameters

RegHandle [in]

Handle to an event.

Returns

Returns an HRESULT.

Remarks

Providers can only call this function from their ControlCallback function.