IFWXOverlapped::SetNotificationInterface method

Applies to: desktop apps only

The SetNotificationInterface method sets the callback for the completion of the overlapped I/O.

Syntax

HRESULT SetNotificationInterface(
  [in]  IFWXExternalIOCompletion *piExternalIOCompletion,
  [in]  UserContextType UserData
);

Parameters

• piExternalIOCompletion [in]
  Pointer to an IFWXExternalIOCompletion interface that is notified when the overlapped I/O is completed.

• UserData [in]
  An opaque value to pass to the IFWXExternalIOCompletion::CompleteAsyncIO notification method. This parameter provides a context to the notification.

Return value

This method returns S_OK if the call is successful; otherwise, it returns an error code.

Remarks

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.

Requirements

See also

IFWXOverlapped

Build date: 7/12/2010