Applies to: desktop apps only
The SetNotificationInterface method sets the callback for the completion of the overlapped I/O.
HRESULT SetNotificationInterface( [in] IFWXExternalIOCompletion *piExternalIOCompletion, [in] UserContextType UserData );
Pointer to an IFWXExternalIOCompletion interface that is notified when the overlapped I/O is completed.
An opaque value to pass to the IFWXExternalIOCompletion::CompleteAsyncIO notification method. This parameter provides a context to the notification.
This method returns S_OK if the call is successful; otherwise, it returns an error code.
The UserData parameter provides a context to the notification. You can use the same notification interface for completion notifications from distinct network socket objects and differentiate between them by using different values for UserData.
Minimum supported client
Minimum supported server
|Windows Server 2008 R2, Windows Server 2008 with SP2 (64-bit only)|
|Forefront Threat Management Gateway (TMG) 2010|
Build date: 7/12/2010