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ExUnregisterCallback function (wdm.h)

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The ExUnregisterCallback routine removes a callback routine previously registered with a callback object from the list of routines to be called during the notification process.

Syntax

void ExUnregisterCallback(
  [in, out] PVOID CallbackRegistration
);

Parameters

[in, out] CallbackRegistration

Specifies the callback routine to unregister. This must be the value returned by ExRegisterCallback when the callback was registered.

Return value

None

Remarks

For more information about callback objects, see Callback Objects.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <=APC_LEVEL
DDI compliance rules HwStorPortProhibitedDDIs(storport), IrqlExApcLte2(wdm)

See also

ExCreateCallback

ExRegisterCallback