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Unregisters a previously registered callback pointer for the specified event.
Syntax
HRESULT UnregisterActionOnEvent (
[in] EClrEvent event,
[in] IActionOnCLREvent *pAction
);
Parameters
event
[in] One of the EClrEvent values, indicating the event for which to unregister the callback pointer described by pAction.
pAction
[in] A pointer to an IActionOnCLREvent object that was passed as a parameter to the RegisterActionOnEvent method.
Return Value
| HRESULT | Description |
|---|---|
| S_OK | UnregisterActionOnEvent returned successfully. |
| HOST_E_CLRNOTAVAILABLE | The common language runtime (CLR) has not been loaded into a process, or the CLR is in a state in which it cannot run managed code or process the call successfully. |
| HOST_E_TIMEOUT | The call timed out. |
| HOST_E_NOT_OWNER | The caller does not own the lock. |
| HOST_E_ABANDONED | An event was canceled while a blocked thread or fiber was waiting on it. |
| E_FAIL | An unknown catastrophic failure occurred. After a method returns E_FAIL, the CLR is no longer usable within the process. Subsequent calls to hosting methods return HOST_E_CLRNOTAVAILABLE. |
Requirements
Platforms: See System Requirements.
Header: MSCorEE.h
Library: Included as a resource in MSCorEE.dll
.NET Framework Versions: Available since 2.0
See also
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