Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies to: desktop apps only
The IFWXExternalIOCompletion interface includes a method for receiving a notification from the Microsoft Firewall service upon completion of an asynchronous Windows input/output (I/O) operation involving reading or writing to a file on a disk for which the filter maintains a handle.
When to implement
An application filter that needs to receive notifications from the Firewall service upon completion of asynchronous Windows I/O operations must implement this notification interface.
Members
The IFWXExternalIOCompletion interface inherits from the IUnknown interface. IFWXExternalIOCompletion also has these types of members:
- Methods
Methods
The IFWXExternalIOCompletion interface has these methods.
| Method | Description | 
|---|---|
| CompleteAsyncIO | Receives a notification from the Firewall service when an asynchronous Windows I/O operation involving reading or writing to a file on a disk completes. | 
Remarks
This interface is similar in function to the IFWXIOCompletion interface, but is used for reading or writing to files on a disk asynchronously.
Requirements
| Minimum supported client | None supported | 
| Minimum supported server | Windows Server 2008 R2, Windows Server 2008 with SP2 (64-bit only) | 
| Version | Forefront Threat Management Gateway (TMG) 2010 | 
| Header | Wspfwext.idl | 
See also
IFWXFirewall::HookToCompletionPort
IFWXFirewall::CreateOverlapped
Build date: 7/12/2010