ExUnregisterCallback function (wdm.h)
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) |